Current Concepts in High Tibial Osteotomy

Journal of Clinical Orthopaedics | Vol 6 | Issue 1 |  Jan-Jun 2021 | page:24-31 | Vikram Arun Mhaskar, Yogesh Jain, Jitendra Maheshwari

Author: Vikram Arun Mhaskar [1], Yogesh Jain [1], Jitendra Maheshwari [1]

[1] Knee & Shoulder Clinic, New Delhi, Max Superspecilaity Hospital Saket, New Delhi, India

Address of Correspondence
Dr. Vikram Arun Mhaskar,
Knee & Shoulder Clinic, New Delhi, Max Superspecilaity Hospital Saket, New Delhi, India


Background: High tibial osteotomy is an effective procedure for the management of medial compartment osteoarthritis. This paper intends to analyze the current indications, contra indications, technique, complications, survival, and recent advances of this procedure.

Method: Literature review was done by searching journals with “High tibial osteotomy,” “Indications of HTO,” “Alignment in HTO,” “Survival and clinical outcomes of HTO,” and “Recent advances in HTO.” A total of 12 articles were found suitable for this study and reviewed.

Outcomes: Indications have largely remained the same except for thrust, which was earlier, a contra indication, Biplanar osteotomy, patient specific instrumentation; 3D printing and computer navigation are the recent technical modifications. The rate of complications is variable in different studies and the 5-year survival is still over 90% in most studies. Rate of serious complications is low but minor complications are high.

Conclusion: HTO is a successful procedure in treating medial compartment OA in isolation or with ligament deficiencies with a good 5 and 10-year survival. Recent advances have focused on improving planning, rehabilitation, and accuracy of alignment.

Keywords: High Tibial Osteotomy, osteotomy, deformity, gene varum, osteoarthritis, knee preservation, deformity correction


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How to Cite this article: Mhaskar VA, Jain Y, Maheshwari J. Current Concepts in High Tibial Osteotomy. Journal of Clinical Orthopaedics Jan-Jun 2021;6(1):24-31.

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Beliefs regarding knee pain in Indian adults: A knowledge, attitude and practice (KAP) survey

Journal of Clinical Orthopaedics | Vol 5 | Issue 1 |  Jan-Jun 2020 | page: 47-54 | Keyur B. Desai, Shruti A. Mondkar

Author: Keyur B. Desai [1], Shruti A. Mondkar [2]

[1] Department of Orthopaedics, King Edward VII Memorial Hospital, Parel, Mumbai, India.
[2] Department of Pediatrics, King Edward VII Memorial Hospital, Parel, Mumbai, India.

Address of Correspondence
Dr. Keyur B. Desai,
401, Dadarkar arcade, N.L parelkar marg, opp trimurti building, Parel village. Parel, Mumbai. Maharashtra, India.


Background: Belief along with habits and personality acts as important force guiding human behaviour. Health education can modify irrational beliefs and help people adopt healthy behaviour. The aim of this study is to know the existing beliefs among individuals regarding knee pain, its aetiology, and their most effective treatment modality. The study also explores the sources of healthcare information across different age groups that can be utilized for education and creating public awareness. This study also explores the different reasons why individuals do not prefer to attend a health care facility for their knee pain.
Methods: A questionnaire based cross sectional study was designed to assess individuals beliefs and modes of treatment of knee pain, the accessibility to healthcare and the factors responsible for non attendance of healthcare facility. The likely source of health information and use of internet and smart-phones for acquiring health related information was enquired.
Results: ‘Ageing’, ‘Obesity’, ‘Overactivity’, ‘Sports and recreation’, ‘Hereditary’, were among the most commonly believed causes of knee pain. Some irrational beliefs like association with food items, fate etc were also known. Internet and smart phones remain the most accessible and used source of health information among the age group of <20 years and 20-40 years. Health professionals were more trusted for information in the age group of 40-60 and above 60 years.
Conclusions: Regulated health information through widely available medium like internet and smartphones can effectively tweak the false beliefs in the community and help to develop healthy behaviour.
Keywords: Beliefs, Traditions, Education, Aarogya Setu, Physiotherapy, Health information, Internet and health care, Smart phones and health care, Osteoarthritis, Knee pain, Indian beliefs.


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How to Cite this article: Desai KB, Mondkar SA | Beliefs regarding knee pain in Indian adults: A knowledge, attitude and practice (KAP) survey | Journal of Clinical Orthopaedics | January-June 2020; 5(1):47- 54.

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Vol 3 | Issue 2 |  July-Dec 2018 | Page 30-35 | Ramesh K Sen, Manuj Aggarwal.

Authors: Ramesh K Sen [1], Manuj Aggarwal [1].

[1] Institute of orthopaedics, Max hospital Mohali, India

Address of Correspondence
Dr. Ramesh Sen,
Institute of orthopaedics, Max hospital Mohali, India


Orthobiologics is a newer science that has biologic-based therapies for treatment of various hip, knee, ankle and shoulder pathologies. It involve biological sources which promote and accelerate bone and soft tissue healing and based on theoretical advantages in focal chondral defect, osteoarthritis, AVN hip, plantar fasciitis and various tendinopathies. Strong evidence which support the use of biologic agent such as hyaluronic acid, platelet rich plasma bone marrow aspirate concentrate, largely remain absent from the literature. This article review the existing literature on most commonly employed biologic agent for the different knee, hip, and ankle pathologies. There was a lack of clinical evidence for various treatment strategies; therefore we suggest that there is a need for comparative studies in future.
Keywords: Orthobiologics, Hyaluronic acid, platelet rich plasma, Bone marrow aspirate concentrate; Adipose derived stem cells, Osteoarthritis


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38. Hernigou P, Poignard A, Zilber S, Rouard H. Cell therapy of hip osteonecrosis with autologous bone marrow grafting. Indian J Orthop 2009; 43: 40–5.
39. Hung BP, Hutton DL, Kozielski KL, Bishop CJ, Naved B, et al. (2015) Platelet-Derived Growth Factor BB Enhances Osteogenesis of AdiposeDerived But Not Bone Marrow-Derived Mesenchymal Stromal/Stem Cells. Stem Cells 33(9): 2773-2784.
40. Jo CH, Lee YG, Shin WH, Kim H, Chai JW, et al. (2014) Intra-articular injection of mesenchymal stem cells for the treatment of osteoarthritis of the knee: a proof-of-concept clinical trial. Stem Cells 32: 1254-1266.
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44. Krych AJ, Nawabi DH, Farshad-Amacker NA, Jones KJ, Maak TG, Potter HG, Williams RJ. Bone Marrow Concentrate Improves Early Cartilage Phase Maturation of a Scaffold Plug in the Knee: A Comparative Magnetic Resonance Imaging Analysis to PlateletRich Plasma and Control. Am J Sports Med 2016; 44: 91-98 .
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57. Redmond JM, Gupta A, Stake CE, et al. Clinical results of hip arthroscopy for labral tears: a comparison between intraoperative platelet-rich plasma and bupivacaine injection. Arthroscopy 2014; 31: 445–53.
58. Repetto I, Biti B, Cerruti P, Trentini R, Felli L. Conservative treatment of ankle osteoarthritis: can platelet-rich plasma effectively postpone surgery? J Foot Ankle Surg. 2017;56(2):362–5. Evaluated 20 patients with symptomatic ankle OA after four weekly PRP injections. At an average follow-up of 17.7 months, the authors found significant improvements in pain, function, and patient satisfaction.
59. RhaDW, Park GY, Kim YK, Kim MT, Lee SC (2013) Comparison of the therapeutic effects of ultrasound-guided platelet-rich plasma injection and dry needling in rotator cuff disease: a randomized controlled trial. Clin Rehabil 27(2): 113-122.
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65. Sen RK, Tripathy SK, Aggarwal S, et al. Early results of core decompression and autologous bone marrow mononuclear cells instillation in femoral head osteonecrosis: a randomized control study. J Arthroplasty 2012; 27: 679–86.
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How to Cite this article: Sen RK, Aggarwal M. Orthobiologics-Today. Journal of Clinical Orthopaedics Jan-June 2018; 3(2):30-35.

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An Atypical Complication of Osteoarthritis Knee —Non Traumatic Recurrent Haemarthrosis Knee

Vol 2 | Issue 2 | July – Dec 2017 | Page 34-35 | Manoj Shah, Ashok K. Shyam

Authors: Manoj Shah [1], Ashok K. Shyam [2,3]

[1] Shah Fracture Orthopaedic Hospital, Malad, Mumbai, India
[2]Sancheti Institute for Orthopaedics & Rehabilitation, Pune, India
[3]Indian Orthopaedic Research Group, Thane, India.

Address of Correspondence
Dr. Manoj Shah
Shah Fracture Orthopaedic Hospital, Srinivas Apartment,
S.V. Road, Malad West, Mumbai – 400064, India


Recurrent synovitis is a known presentation of osteoarthritis but at times the synovium may become very vascular and patient may present with recurrent haemarthrosis. We present a case of recurrent haemarthrosis in an elderly osteoarthritis patient
Case Report: A 72 year old male with tricompartmental osteoarthritis presented four episodes of recurrent haemarthrosis within a span of 2 months. He had recently undergone angioplasty and was on anticoagulants which were stopped in consultant of cardiologist. On recurrence of haemarthrosis, an arthroscopic debridement and synovectomy was done. LOOSE PIECES OF meniscus were also removed but no bleeder was identified. Two days after arthroscopy he again developed haemarthrosis and a digital subtraction angiography was done to identify the feeder vessel. This showed moderate vascular blush around the knee with supply from both genicular branches. Trans Arterial Embolization using polyvinyl alcohol particles was done for both feeder vessels. Patient had not further episodes or haemarthrosis and continues on conservative management of osteoarthritis
Conclusion: Osteoarthritis may lead to severe vascularization of synovium which may present as recurrent haemarthrosis. Finding the cause of haemarthrosis and managing it would relieve the symptoms
Keywords: Recurrent haemarthrosis, osteoarthritis, synovectomy, embolization.


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5. DiNicolantonio JJ, D’Ascenzo F, Tomek A, Chatterjee S, Niazi AK, Biondi-Zoccai G. Clopidogrel is safer than ticagrelor in regard to bleeds: a closer look at the PLATO trial. Int J Cardiol. 2013 Oct 3;168(3):1739-44.
6. Bagla S, Rholl KS, van Breda A, Sterling KM, van Breda A. Geniculate artery embolization in the management of spontaneous recurrent hemarthrosis of the knee: case series. J Vasc Interv Radiol. 2013 Mar;24(3):439-42.
7. Weidner ZD, Hamilton WG, Smirniotopoulos J, Bagla S. Recurrent Hemarthrosis Following Knee Arthroplasty Treated with Arterial Embolization. J Arthroplasty. 2015 Nov;30(11):2004-7
8. Waldenberger P, Chemelli A, Hennerbichler A, Wick M, Freund MC, Jaschke W, Thaler M, Chemelli-Steingruber IE. Transarterial embolization for the management of hemarthrosis of the knee. Eur J Radiol. 2012 Oct;81(10):2737-40.

How to Cite this article:  Shah M, Shyam AK. An Atypical Complication of Osteoarthritis Knee —Non Traumatic Recurrent Haemarthrosis Knee. Journal of Clinical Orthopaedics July – Dec 2017; 2(2):34-35.

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A Treatment Approach for Articular Cartilage Defects

Vol 1 | Issue 1 |  July – Dec 2016 | Page 10-16 | Kevin C Wang, Eric J Cotter, Annabelle Davey, Lucy Oliver-Welsh, Justin W Griffin, Maximilian A Meyer, Matthew E Gitelis, Brian J Cole.

Authors: Kevin C Wang [1], Eric J Cotter [1], Annabelle Davey [1], Lucy Oliver-Welsh[2], Justin W Griffin[1], Maximilian A Meyer[1], Matthew E Gitelis [1], Brian J Cole [1].

[1] Department of Orthopaedic Surgery, Rush University Medical Center, Chicago, IL , USA.
[2] Tunbridge Wells Hospital, UK.

Address of Correspondence
Kevin C Wang
Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St. Suite 300, Chicago, IL 60612


Introduction: Osteoarthritis is one of the most common disease affecting older adults, and can have a drastic impact on quality of life. This degenerative cartilage disease can often be the result of progression of focal cartilage defects. Fortunately, a plethora of treatment options, both surgical and non-surgical, exist for focal articular cartilage defects. However, because the natural history, incidence, and patient demographics of focal articular cartilage defects are not fully defined, it is important to treat these defects on a patient-specific level. Clinicians must integrate many features, including patient-specific goals, risk factors for disease progression, symptoms, lesion characteristics, comorbidities, and responsiveness to conservative treatment in a patient-centered clinical encounter before being able to decide if surgery is indicated and, if so, the optimal surgical management for the patient.
Adapted from: Oliver-Welsh L, Griffin JW, Meyer MA, Gitelis ME, Cole BJ. Deciding How Best to Treat Cartilage Defects. Orthopedics. 2016 Nov;39(6).
Key Words: Articular Cartilage defect, Osteoarthritis, natural history.


Articular cartilage disease, namely osteoarthritis, is the most common joint disease in the world affecting 80% of patients >75 years old [1]. The progression of this disease generally begins with focal cartilage lesions. In a prospective study of 65 patients with a mean age of 62.7 years old, Carnes et al demonstrated that the presence of cartilage defects was shown to independently predict eventual cartilage volume loss and risk of future knee replacement [2]. However, the majority of articular cartilage lesions remained stable with little regression after 2.9 years. In those patients whose defects demonstrated progressive degeneration, baseline risk factors included radiographic evidence of osteoarthritis, tibia size, higher body mass index, and female sex. These factors are important to consider when determining approach to treatment.  Given the risk of cartilage volume loss and correlation with future knee replacement, it is important to consider articular cartilage injuries in younger populations. These injuries commonly occur in young, active patients and generally occur after direct trauma, often in conjunction with other injuries, such as ligamentous or meniscal injuries [3]. These injuries can also arise from degenerative patterns or, less commonly, from metabolic disorders of subchondral bone such as osteonecrosis or osteochondritis dissecans. The treatment of focal articular cartilage disease presents a challenge to physicians because the variability in patient presentation and symptoms makes it difficult to determine the appropriate type and timing of treatment for each patient.
While the incidence and patient demographics of cartilage lesions are not fully documented, full-thickness lesions are more common in athletes than in the general population. In a systematic review by Flanigan et al looking at 931 athletes, 36% were found to have full-thickness lesions on MRI, but only 14% of these lesions presented with associated symptoms [3]. These results highlight an important concept in the management of articular cartilage lesions: treatment must be tailored to address symptoms, not imaging findings.  As the number of treatment options for articular cartilage defects expands, evidence-based, patient-centered decision-making is required to provide the best possible outcomes to patients (Fig. 1).


Unique patient concerns, expectations and goals must be addressed in the treatment discussion. By managing patient expectations to arrive at a mutually agreed upon and achievable goal, physicians can maximize patient satisfaction.
The purpose of this article is to present a systematic approach to decision-making in treating articular cartilage injury and to provide a brief summary of the currently available and up-and-coming treatment options.

Patient-Centered Evaluation

Clinical History: A key to decision-making in the treatment of articular cartilage lesions is the patient-centered evaluation. The past medical history can contribute significantly to the management plan.  Comorbidities, either systemic or joint-specific, previous surgical history, and current medication regimen can impact prognosis and outcome. A thorough history and physical is necessary to elicit patient demographics that influence disease progression and patient outcomes (age, body mass index, sex, malalignment, and smoking status) [2]. Specifically, age has been shown to be predictive of positive outcomes in patients <30 years old [5-7]. However, this should not disqualify older patients from these procedures given the possibility of restoring or prolonging function and delaying the need for a total knee arthroplasty. The clinical history should also include discussion of timing (acute versus chronic), injury mechanism (twisting, fall, or insidious onset), and any concomitant injuries, specifically meniscal or ligamentous injuries.  Articular cartilage injury typically presents as pain localized to a single compartment that is worse with load-bearing and correlates with a defect found on imaging or diagnostic arthroscopy. However, patient presentation can range widely, sometimes even presenting solely as painless joint swelling during activity. It is important to note that symptoms do not reliably correlate with degree of damage, including the size or grade of a lesion [8]. As such, the presence and nature of the patient’s symptoms and their impact on the patient, rather than objective lesion-specific findings, should drive treatment decisions. The type and severity of symptoms (clicking, locking, or swelling), magnitude and quality of pain, and any complaints of instability and loss of function should all be elicited. Exacerbating factors and activities that the patient can no longer effectively or comfortably perform should also be explored. In addition, one should always inquire about pain at rest. Rest pain is unpredictably related to intra-articular pathology and must be approached with caution to manage patient expectations of cartilage surgery resolving this type of pain.

Physical examination: The role of the physical examination in guiding treatment decisions is to confirm that the patient’s symptoms are attributable to the cartilage defect and to detect any comorbidities. It is critical to evaluate gait and gross musculoskeletal deformities to develop a holistic assessment of a patient’s functional abilities and deficiencies. Specifically, axial malalignment or rotational abnormalities must be identified and addressed. These conditions can increase forces through the affected compartment and may need to be corrected prior to cartilage restoration to ensure a successful outcome. Strength and flexibility in both lower extremities should be examined to compare the injured extremity with the healthy, contralateral side. Specifically, the examiner should look for signs of weakness resulting from compensatory mechanics. Additionally, any effusions or limitations in movement or range of motion can reflect the extent of pathology and provide clues on the potential efficacy of specific treatments.

Concomitant Knee Pathologies

It is important to evaluate for concomitant knee pathologies during both the clinical history and the physical examination. Joint-specific comorbidities such as ligamentous or meniscal injury and tibiofemoral or patellofemoral malalignment can influence treatment outcomes. These conditions must be addressed in a comprehensive treatment strategy to ensure optimal outcomes. Sometimes additional surgeries may be required – either in a stepwise progression or concurrently.

Imaging: Imaging is an essential adjunct to the clinical history and physical exam for diagnosis and management. Plain radiographs have a key role in a patient’s evaluation. In both acute and chronic pathologies, weight-bearing anterior-posterior and flexion posterior-anterior radiographs can be used to assess the severity of osteoarthritis [9]. Importantly, severe osteoarthritis is a contraindication to cartilage restoration surgery. Merchant and lateral views of the patellofemoral joint can be enlightening in cases with anterior knee pain worsened by jumping or squatting, but these views can underestimate the extent of cartilage damage. Standing full-length radiographs should be used to assess for malalignment.
While radiographs can help evaluate advanced disease, they have a lower sensitivity for focal defects. In symptomatic patients with normal weight-bearing radiographs, MRI plays a crucial role in assessing for comorbidities, such as meniscal or ligamentous injury, and in evaluating subchondral bone for areas of edema, osteochondritis dissecans, avascular necrosis, or fractures. Additionally, rapid identification, sizing, and characterization of focal chondral lesions can be obtained via 2-dimensional fat suppression and 3-dimensional fast-spin echo sequences. Furthermore, gadolinium contrast sequences can determine the quality of cartilage with regards to proteoglycan content. Despite advancements in imaging technology, arthroscopy remains the gold standard in the diagnosis of cartilage lesions. It is important to counsel patients that arthroscopy with debridement can be both a diagnostic and therapeutic procedure, potentially delaying the need for other surgical treatment. An index arthroscopy can be indicated to evaluate the meniscus, ligaments and intra-articular cartilage if current information is dated or incomplete. Arthroscopy can assess for relevant bipolar disease and provide grading of defects by Outerbridge criteria [10]. As a note, the International Cartilage Repair Society has provided updates to the Outerbridge criteria in their own scoring metric [11].

Lesion Characteristics: The of symptomatic cartilage lesions is determined in part by lesion depth and dimension. Guettler et al showed that lesions >1cm in diameter can lead to deteriorating symptoms [12]. Indications for procedures depend on absolute area. Microfracture and osteochondral autograft transplant surgery (OATS) are recommended for smaller defects (<2.5cm2) and autologous chondrocyte implantation (ACI) and osteochondral allografts (OCA) are recommended for larger (>4cm2) defects [13]. It is important to evaluate for lesion depth during arthroscopy because full-thickness chondral lesions (those extending to the subchondral bone) require restorative treatment options – such as OCA. Defect location also plays an important role in management. There are a greater number of treatment options (microfracture, scaffolds, ACI, OCA or OATS) available for condylar defects. Conversely, the patellofemoral joint has much more limited treatment options because it is difficult to match topographically for grafting. Therefore, larger patellofemoral defects are more commonly addressed using surface treatments. Tibial defects also have geometric considerations, and because they are difficult to access and have a lack of evidence available to guide treatment, our approach is to start by correcting meniscal problems, malalignment, and femoral condylar defects as first-line treatment.

Goals of treatment
A tenant of treatment for cartilage defects is to avoid treating radiographic or arthroscopic findings if they do not match patient symptoms. To maximize patient satisfaction, treatment decisions must be made in an effort to address symptoms and after an extensive, patient-centric discussion of risks versus benefit. “Prophylactic treatment” with the goal of preventing disease progression or the future development of symptoms in the absence of current symptoms is discouraged because the natural history and progression of articular cartilage lesions is unpredictable, and thus the outcomes of treating asymptomatic lesions is also unpredictable. In deciding to treat a patient, it is important to focus on individual performance demands – such as return to work or sport. The goals of therapy should vary according to age group and level of baseline (and desired) function (e.g. a teenager with osteochondritis dissecans vs an in-season professional athlete). If the goals of treatment are to return to activities more intense that those required of daily living, this can tip the scales in favor of an operative approach as there is a lower likelihood that initial conservative management will be sufficient. Thoughtful communication between the provider and patient, focusing on functional limitations and specific goals of therapy, allows for mutual understanding and the alignment of provider and patient goals of care.

Nonsurgical care
Nonsurgical care is an important pillar of treatment for articular cartilage defects and should be discussed as an option prior to surgical intervention [14, 15]. Physical therapy and exercise can provide effective symptom relief and longer-lasting relief, and are often used to complement other interventions in younger, more active patients [16]. While the nature of articular cartilage disease often causes patients to become more symptomatic with increasing activity, there is not sufficient evidence that activity results in pathoanatomical changes such as increased cartilage damage or osteoarthritis progression [17]. Thus, while activity should be restricted in patients on an individualized basis, in general, patients should be counseled that benefits of exercise outweigh any negative effects. A significant benefit of exercise is the potential for weight loss. Obesity is highly associated with symptomatic osteoarthritis, and overweight patients should be counseled to lose weight in addition to other interventional measures. In addition to exercise, weight loss, and non-steroidal anti-inflammatories, another option for nonsurgical treatment is intra-articular injections of corticosteroids, viscosupplementation, and biologics (platelet-rich plasma, amniotic suspension allografts, and bone marrow aspirate concentrate). Intra-articular steroids are widely accepted and simple to use, but have a short-lived clinical benefit of 1-6 weeks with little evidence that benefits remain 6 months after treatment. Conversely, viscosupplementation with hyaluronic acid provides longer improved function (24-26 weeks) with consistent benefits across many different groups of patients regardless of amount of baseline synovial fluid [18, 19]. The mechanism of action is likely from improving normal synovial fluid function and articular homeostasis [20, 21]. Biologic injections have shown promise for conservative treatment of articular cartilage lesions. Platelet-rich plasma (PRP) likely does not cause cartilage regrowth, but in practice it has demonstrated superior results, especially among active populations with lower grade cartilage damage [22, 23]. While PRP is a relatively expensive treatment option for patients, it has been shown to have good efficacy if used appropriately. It has been well-documented that PRP provides improved symptomatic relief compared to controls [24]. There is also evidence that PRP may stimulate the recruitment and expansion of mesenchymal stem cells, the synthesis of hyaluronic acid, and the production of extracellular matrix. In recent investigations, PRP, particularly leukocyte-poor PRP, has been show to improve symptoms up to 1 year through mostly anti-inflammatory effects [25]. Additionally, a recent prospective study demonstrated PRP to be superior to hyaluronic acid at 1 year follow-up, but both groups continue to have a number of non-responders [26]. Since a significant incidence of non-responders has been shown with both hyaluronic acid and PRP, an appropriate treatment algorithm is to trial a first injection and stop if there is no symptomatic relief. If symptomatic relief is obtained, however, the evidence supports continued treatment for up to three rounds of injections.  Another potentially promising treatment option in the realm of biologics is bone marrow aspirate concentrate (BMAC). It is easily collected and has demonstrated good chondrogenic potential, especially in conjunction with surgery. However, regulatory barriers have limited BMAC use as a conservative, intra-articular injection outside of surgery. Mixed results have been reported so far with many ongoing clinical studies [27]. Before BMAC can be used on a larger scale, more investigational trials are required, and regulatory barriers to its use outsides of an operative setting must be overcome.

Criteria for surgery
To ensure an optimal outcome, both the patient and the provider must mutually decide that the operative threshold has been crossed. This means that the patient does not feel he or she is able to continue at the current level of pain or function and conservative options are not sufficient. Prior to deciding on surgical treatment, nonoperative management should be discussed, and the potential benefits must be weighed against the risks of surgery. Surgery may be considered as a treatment option only if it is determined that surgical treatment has a reasonable likelihood of meeting patient’s and surgeon’s expectations. Good surgical candidates are those who have failed conservative measures and have recent arthroscopic findings demonstrating pathoanatomy amenable to surgical treatment. In these cases, all information about patient goals and any concomitant pathologies should be considered to work with the patient and develop a cohesive surgical plan through a shared decision-making model.

Surgical Options
Debridement should be the first line treatment for patients with small defects (<2cm2), in-season athletes or patients with lower levels of demand with new symptoms. Simple irrigation and debridement may temporarily improve symptoms in up to 60% of patients, potentially obviating the need for more intensive operations [28-32]. In the senior author’s (BJC) practice, arthroscopic evaluation and debridement are generally conducted on patients for both diagnostic (future operative planning) and therapeutic purposes. In patients planned to undergo a more intensive procedure, intraoperative arthroscopic findings may alter the surgical plan. Marrow stimulation techniques, including microfracture, subchondral drilling, and abrasion therapy, have been shown to have some benefit in patients with moderate symptoms with smaller defects (<2cm2) or in less active patients with larger lesions. However, these techniques result in the generation of type 1 fibrocartilage and are less durable than other techniques, possibly due of the lack of type 2 collagen generation [14, 29, 33, 34]. Commercial scaffolds and biologics may show promise in augmenting these techniques [35]. Osteochondral grafting, with both allografts and autografts, has proved to be an effective technique. Osteochondral autograft transplant surgery (OATS) is a restorative procedure in which a plug of native cartilage from a non-weight-bearing region is harvested and transplanted to fill in a weight-bearing defect, generally for smaller lesions (between 1-4cm2). While OATS has some limitations, including difficulty filling large defects and donor site morbidity, a recent review has shown 72% success at 10 years with high rate of return to sport [36]. Failure of OATS can be predicted by older age, previous surgery, and larger defect size [37]. Osteochondral allografts (OCA) escape many of the limitations of OATS and have been shown to provide reliably good outcomes when treating midsized defects (2-4cm2) [38, 39]. OCA has also shown good outcomes when used as a revision procedure for previous operations, such as microfracture [40], and in pediatric applications [41]. Further applications of OCA include use in bipolar lesions with predominant pathology on one side and in defects of the patellofemoral joint; however, these applications need to be evaluated with more long-term data [42]. OCA has also shown excellent return-to-sport in high level athletes [43]. Given these characteristics, as well as good long-term survival, especially in the femoral condyle [44], OCA has been used increasingly for appropriate patients in the senior author’s practice (BJC). Autologous chondrocyte implantation (ACI), which involves harvesting a patient’s own chondrocytes and culturing them for re-implantation, has demonstrated efficacy for larger lesions. It is less commonly used in femoral lesions due to a relatively high cost and increased work of treatment when compared with alternative, single-staged techniques (OATS and OCA). First generation ACI, using a periosteal patch, demonstrated the complication of patch hypertrophy, but newer patches using synthetic collagen have shown better outcomes with possibly more durability [45-48]. In the senior author’s practice, this technique was primarily used in the patellofemoral joint, but even this application has been slowly phased out in favor of OCA [49]. However, long term data still needs to be developed in the field of patellofemoral cartilage defects.
Emerging treatment options in the field include a new generation of cell-based technology that can hopefully provide improved techniques for ACI. Additionally, future developments of cryopreserved osteochondral allografts and cartilage matrices offer promise in more effective restorative and regenerative treatments. Like existing cartilage treatments, these new treatments need further investigation to determine the patient-specific and lesion-specific treatment parameters that provide the best outcomes.


There are a plethora of surgical treatment options currently available for focal articular cartilage disease, and it is important to properly select patients to ensure optimal outcomes and patient satisfaction. Important criteria to consider before proceeding with surgical treatment of these lesions are patient-specific risk factors for disease progression, comorbidities, lesion characteristics, symptoms, treatment goals, and responsiveness to conservative treatment. Only after discussing all of these factors in a patient-centered clinical encounter can the appropriate decision be made to proceed with surgical treatment.


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How to Cite this article: Wang KC, Cotter EJ, Davey A, Oliver-Welsh L, Griffin JW, Meyer MA, Gitelis ME, Cole BJ. Treatment Approach for Articular Cartilage Defects. Journal of Clinical Orthopaedics July – Dec 2016; 1(1):10-16.

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