Request more information
Request more information

Patellar Tendinopathy

RADIAL PROTOCOL

Radial protocol values


Pressure (bar): 2

Pulses: 2000

Frequency: 10 Hz

Applicator: 15 mm

Total Energy: 103 mJ/mm²

Number of Sessions: 3 (1 session per week)

Medical Information


The patellar tendon connects the inferior pole of the patella to the tibia. Patellar tendinopathy (PT), commonly referred to as “jumper’s knee,” is a chronic injury caused by overuse of the patellar tendon.

Its main clinical symptom is pain at the inferior pole of the patella. This condition is diagnosed based on its clinical symptoms. Imaging studies should be used to rule out other causes of knee pain or to confirm the diagnosis of PT when there is diagnostic uncertainty.

As with other tendinopathies, the etiology of PT is still not fully understood, although repetitive overload is considered a major contributing factor. However, histological examination of biopsy samples obtained from patients undergoing surgery for chronic symptoms has shown that chronic PT is associated with degenerative changes within the tendon. Consequently, the condition is more accurately described as a “tendinopathy” rather than a “tendinitis,” and resembles the pathology observed in other overuse tendon disorders, such as Achilles tendinopathy.

Athletes show a very high prevalence of PT, reaching up to 40% among elite basketball and volleyball players. The condition can become debilitating, preventing athletes from returning to sport for prolonged periods ranging from 6 months to more than 2 years.

Treatment of PT should begin with conservative management approaches such as rest, physiotherapy, eccentric strengthening exercises, orthotic support, and nonsteroidal anti-inflammatory drugs (NSAIDs). Patients who do not respond to conservative treatment within six months may be considered for Radial Shock Wave Therapy (RSWT®). Surgery should be considered in the most persistent cases of PT. Numerous arthroscopic and open surgical procedures have been described; however, there is currently no consensus regarding the optimal surgical approach.

 

STUDIES

Crupnik J Eccentric loading plus radial shock wave therapy in the treatment of chronic patellar tendinopathy. Abstracts 12th International Congress of the International Society for Musculoskeletal Shock wave Therapy, Sorrento, Italy, 2009, 26-27 

Lohrer H, SchÖll J, Arentz S Achillodynie und Patellaspitzensyndrom – Ergebnisse der Behandlung austherapierter, chronischer Fälle mit radialen Stosswellen. Sportverl Sportschad 2002; 16: 108-114

FOCAL PROTOCOL

Focal protocol values


Penetration Depth: 5–15 mm

Total Energy Flux Density per Shock Wave Emission: 0.089–0.271 mJ/mm²

Number of Sessions: 3–5 (at intervals of 5–12 days)

Frequency: 2–6 Hz

Pulses: 1000–3000

Medical Information


Patellar tendinitis (jumper’s knee) is a condition caused by overuse of the patellar tendon due to repetitive, unusual, and/or acute stress in the area where the tendon attaches to the bone. Jumping activities, and particularly landing after a jump, place maximum stress on the patellar tendon. Therefore, athletes involved in sports that require frequent jumping, such as volleyball, basketball, high jump, or long jump, as well as runners and football players, are especially prone to developing patellar tendinitis.

Patients with patellar tendinitis / jumper’s knee typically report pain around the patella during physical activity. In advanced stages of the condition, pain may become chronic and persist even at rest. The treatment of patellar tendinitis with focused shock wave therapy has become an established ESWT treatment option.

STUDIES


Carlos Leal , Silvia Ramon, John Furia, Arnold Fernandez, Luis Romero ,

Leonor Hernandez-Sierra, Current concepts of shockwave therapy in chronic patellar tendinopathy, Review.

International Journal of Surgery 24 (2015) 160e164.


M.E. Blazina, R.K. Kerlan, F.W. Jobe, V.S. Carter, G.J. Carlson, Jumper's knee, Orthop. Clin. North Am. 4 (1973) 665e678.


A. Ferretti, Epidemiology of jumper's knee, Sports Med. 3 (1986) 289e295. O.B. Lian, L. Engebretsen, R. Bahr, Prevalence of jumper's knee among elite athletes from different sports: a cross-sectional study, Am. J. Sports Med. 33(2005) 561e567.


A. Ferretti, E. Ippolito, P. Mariani, G. Puddu, Jumper's knee, Am. J. Sports Med.11 (1983) 58e62.


K.M. Khan, J.L. Cook, F. Bonar, P. Harcourt, M. Astrom, Histopathology of common tendinopathies. Update and implications for clinical management, Sports Med. 27 (1999) 393e408.


N. Maffulli, K.M. Khan, G. Puddu, Overuse tendon conditions: time to change a confusing terminology, Arthroscopy 14 (1998) 840e843.


P.J. Visentini, K.M. Khan, J.L. Cook, Z.S. Kiss, P.R. Harcourt, J.D. Wark, The VISA score: an index of severity of symptoms in patients with jumper's knee (patellar tendinosis). Victorian Institute of Sport Tendon Study Group, J. Sci. Med. Sport 1 (1998) 22e28.


M.C. Vulpiani, M. Vetrano, V. Savoia, E. Di Pangrazio, D. Trischitta, A. Ferretti, Jumper's knee treatment with extracorporeal shock wave therapy: a long term follow-up observational study, J. Sports Med. Phys. Fit. 47 (2007)323e328.


M. Vetrano, A. Castorina, M.C. Vulpiani, R. Baldini, A. Pavan, A. Ferretti,

Platelet-rich plasma versus focused shock waves in the treatment of jumper's knee in athletes, Am. J. Sports Med. 41 (2013) 795e803.


J.E. Gaida, J. Cook, Treatment options for patellar tendinopathy: critical review, Curr. Sports Med. Rep. 10 (2011) 255e270

C.J. Wang, J.Y. Ko, Y.S. Chan, L.H. Weng, S.L. Hsu, Extracorporeal shockwave for chronic patellar tendinopathy, Am. J. Sports Med. 35 (2007) 972e978.


J. Zwerver, S.W. Bredeweg, I. Van den Akker-Scheek, Prevalence of jumper's knee among non-elite athletes from different sports: a cross-sectional survey, Am. J. Sports Med. 39 (2011) 1984e1988.


H. Van der Worp, M. Van Ark, S. Roerink, G.J. Pepping, I. Van den Akker-Scheek, J. Zwerver, Risk factors for patellar tendinopathy: a systematic review of the literature, Br. J. Sports Med. 45 (2011) 446e452.


E. Witvrouw, J. Bellemans, R. Lysens, L. Danneels, D. Cambier, Intrinsic risk factors for the development of patellar tendinitis in an athletic population. A two-year prospective study, Am. J. Sports Med. 29 (2001) 190e195.


U.M. Kujala, K. Osterman, M. Kvist, T. Aalto, O. Friberg, Factors predisposing to patellar chondropathy and patellar apicitis in athletes, Int. Orthop. 10 (1986) 195e200.


J.D. Rees, N. Maffulli, J. Cook, Management of tendinopathy, Am. J. Sports Med.37 (2009) 1855e1867.


J.D. Rees, A.M. Wilson, R.L. Wolman, Current concepts in the management of tendon disorders, Rheumatol. Oxf. 45 (2006) 508e521.


K.M. Khan, N. Maffulli, B.D. Coleman, J.L. Cook, J.E. Taunton, Patellar tendinopathy: some aspbasic science and clinical management, Br. J. SportsMed. 32 (1998) 346e355.


M.E. Larsson, I. K€all, K. Nilsson-Helander, Treatment of patellar tendinopathy a systematic review of randomized controlled trials, Knee Surg. Sports Traumatol. Arthrosc. 20 (2012) 1632e1646.


E.C. Rodriguez-Merchan, The treatment of patellar tendinopathy, J. Orthop. Traumatol. 14 (2013) 77e81.


H. Visnes, R. Bahr, The evolution of eccentric training as treatment for patellar tendinopathy (jumper's knee): a critical review of exercise programmes, Br. J.Sports Med. 41 (2007) 217e223.


H. Van der Worp, I. Van den Akker-Scheek, H. Van Schie, J. Zwerver, ESWT for tendinopathy: technolog and clinical implications, Knee Surg. Sports Traumatol. Arthrosc. 21 (2013) 1451e1458.


F. Ioppolo, J.D. Rompe, J.P. Furia, A. Cacchio, Clinical application of shock wave therapy (SWT) in musculoskeletal disorders, Eur. J. Phys. Rehabil. Med. 50(2014) 217e230.


C.J. Wang, Extracorporeal shockwave therapy in musculoskeletal disorders, J. Orthop. Surg. Res. 7 (2012) 11.


M.T. Van Leeuwen, J. Zwerver, I. Van den Akker-Scheek, Extracorporeal shockwave therapy for patellar tendinopathy: a review of the literature, Br. J. Sports Med. 43 (2009) 163e168.


F. Vara, N. Garzon, E. Ortega, G.J. Alarcon, E. Lopez, Treatment of the patellar tendinitis with local application of extracorporeal shock waves, Abstract41 from the 3rd Congress of the International Society for Medical Shockwave Treatment, 2000. Naples.


K.M. Taunton, J.E. Taunton, K.M. Khan, Treatment of patellar tendinopathy with extracorporeal shock wave therapy, B. C. Med. J. 45 (2003) 500e507.


K.H. Peers, Extracorporeal shock wave therapy in chronic patellar tendinopathy: a randomized double-blinded, placebo-controlled trial, Proefschr. KU Leuven 1 (2003) 3e11.


K.H. Peers, R.J. Lysens, P. Brys, J. Bellemans, Cross-sectional outcome analysis of athletes with chronic patellar tendinopathy treated surgically and by extracorporeal shock wave therapy, Clin. J. Sport Med. 13 (2003) 79e83.


J. Zwerver, F. Dekker, G.J. Pepping, Patient-guided piezo-electric extracorporeal shockwave therapy as treatment for chronic severe patellar tendinopathy: a pilot study, J. Back Musculoskelet. Rehabil. 23 (2010) 111e115.


H. Lohrer, J. Scholl, S. Arentz, Achilles tendinopathy and patellar tendinopathy. Results of radial shockwave therapy in patients with unsuccessfully treated tendinosis, Sportsverletz Sportschaden 16 (2002) 108e114.


J.P. Furia, J.D. Rompe, A. Cacchio, A. Del Buono, N. Maffulli, A single application of low- energy radial extracorporeal shock wave therapy is effective for the management of chronic patellar tendinopathy, Knee Surg. Sports Traumatol. Arthrosc. 21 (2013) 346e350.


A. Notarnicola, B. Moretti, The biological effects of extracorporeal shockwave therapy (ESWT) on tendon tissue, Muscles Ligaments Tendons 2 (2012) 33.


N. Maffulli, U.G. Longo, V. Denaro, Novel approaches for the management of tendinopathy, J. Bone Jt. Surg. Am. 92 (2010) 2604e2613.


A. Pascarella, M. Alam, F. Pascarella, C. Latte, M.G. Di Salvatore, N. Maffulli, Arthroscopic management of chronic patellar tendinopathy, Am. J. Sports Med. 39 (2011) 1975e1983.


K. Kulig, R. Landel, Y.-J. Chang, N. Hannanvash, S.F. Reischl, P. Song, G.R. Bashford, Patellar tendon morphology in volleyball athletes with and without patellar tendinopathy, Scand. J. Med. Sci. Sports 23 (2013) e81ee88.


J.A. Ogden, G.L. Cross, Atlanta, Georgia Electrohydraulic orthotripsy for chronic patellar tendinopathy, in Transactions of the 6th International Congress of the ISMST, Feb 11e13, 2003, 2003.


C. Leal, J.C. Lopez, J.M. Herrera, O.E. Reyes, M. Cortes, Shockwave biosurgery and autologous growth factors combined therapy in severe patellar tendinopathies, in: Transactions of the 9th International Congress of the ISMST, Apr. 23, 2006, 2006.


J. Crupnik, Eccentric loading plus radial shock wave therapy in the treatment of chronic patellar tendinopathy, in: Transactions of the 12th International Congress of the ISMST, Jun 2009.


E. Serrano, J.C. Criado, ESWT therapy in patellar tendinopathy comparison of 2protocols, in: Transactions of the 17th International Congress of the ISMST, Jun 2014, 2014.


C. Leal, O. Hernandez, M. Cardozo, M.C. Gallo, Shockwave therapy in patellar tendinopathies, in: Transactions of the 15th International Congress of the ISMST, Jun 2012, 2012.


C.J. Wang, J.Y. Ko, Y.S. Chan, L.H. Weng, S.L. Hsu, Extracorporeal shockwave for chronic patellar tendinopathy, in Transactions of the 10th International Congress of the ISMST, Jun 9th, 2007, 2007.


P.R. Rockett, M. Lui, Effectiveness of ESWT in patients with chronic patellar tendinopathy, in: Transactions of the 12th International Congress of the ISMST, Jun 2009, 2009.


J. Zwerver, M. Van Leeuwen, I. Van Den Akker-Scheek, ESWT for patellar tendinopathy, in: Transactions of the 12th International Congress of the ISMST, Jun 2009, 2009.


H. Van der Worp, H. Zwerver, I. Van Den Akker-Scheek, ESWT treatment protocols for jumper's knee: a worldwide survey, in: Transactions of the 13thInternational Congress of the ISMST, Jun 2010, 2010.


R.W. Wu, C.J. Wang, J.Y.. Ko, Shockwave treatment for chronic patellar tendinopathy of the knee, in Transactions of the 13th International Congress ofthe ISMST, Jun 2010, 2010.


J.P. Furia, J.D. Rompe, A. Cacchio, N. Maffulli, Low energy extracorporeal shocktherapy as a treatment for chronic patellar tendinopathy, in: Transactions of the 14th International Congress of the ISMST, Jun 2011, 2011.


C. Leal, D. Lemus, J. Juschten, Shockwave therapy for patellar tendinopathy inpatients with total knee arthroplasties, in: Transactions of the 17th International Congress of the ISMST, Jun 2014, 2014.


V. Korakakis , R.Whiteley , A.Tzavara , N.Malliaropoulos

The effectiveness of extracorporeal shockwave therapy in common lower limb conditions: a systematic review including quantification of patient-rated pain reduction, Br J Sports Med ,2018 Mar;52(6):387-407.