Evidence map›Paper›PMID 27028381›Full record

ArticleOrthopaedic surgery2016

Open Patellar Tendon Tenotomy and Debridement Combined with Suture-bridging Double-row Technique for Severe Patellar Tendinopathy.

Bo Zhang, Tie-Bing Qu, Jiang Pan, Zhi-Wei Wang, Xiao-Dong Zhang, Shi-Xiang Ren, Liang Wen, Tong Chen, De-Si Ma, Yuan Lin and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in Orthopaedic surgery, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.

  1. A Systematic Review of Surgical Treatment for Refractory Patellar Tendinopathy.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2025
    Pooled it
  2. Review
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 2 institutions in 2 countries.

Bo ZhangDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Tie-Bing QuDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Jiang PanDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Zhi-Wei WangDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Xiao-Dong ZhangDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Shi-Xiang RenDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Liang WenDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Tong ChenDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
De-Si MaDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Yuan LinDepartment of Orthopaedics, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
Cheng-Kung ChengInternational Research Center for Implantable and Interventional Medical Devices, Beihang University, Beijing, China.
Capital Medical University · CNNational Yang Ming Chiao Tung University · TW

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo create a new surgical procedure for chronic severe patellar tendinopathy and to evaluate its clinical efficacy.

methodsIn this retrospective study, the data of 12 patients with severe patellar tendinopathy in 14 knees who had undergone surgical treatment at Beijing Chao-Yang Hospital between 1 March 2009 and 1 August 2013 were analyzed. Inclusion criteria included severe patellar tendinopathy (Phase III), conservative therapy for more than 6 months, American Society of Anesthesiology status Grade I-II, and body mass index <30. Patients with severe osteoporosis, complete tendon disruption (Phase IV) and those who were unable to cooperate were excluded. There were 8 men (10 knees) and 4 women (4 knees) cases. The patients' ages ranged from 38 to 54 years (mean, 45.3 years). All surgeries had been performed by the same physician. Surgical treatment comprised incising open patellar midline tenotomy, complete debridement and suture-bridging double-row fixation. Isotonic and kinetic chain exercises were implemented after the second post-operative week. A gradual increase to full weight-bearing was allowed after the third post-operative week and a gradual return to unrestricted use of the leg after the eighth post-operative week. Preoperative and postoperative visual analogue scale (VAS) scores and Lysholm knee scores were obtained from the medical records or at recent postoperative follow-up visits and the results compared using Student's two-tailed paired t-test.

resultsVAS scores decreased by a mean of 6.7 points (range, 1.1-7.8 points) during follow-up (minimum duration 14 months; range, 14-44 months) and Lysholm scores increased from 55.7 ± 6.5 points to 90.4 ± 6.2 points. Three cases (4 knees) achieved excellent outcomes (≥95 points) and 9 cases (10 knees) good outcomes (range, 86-94 points). No intraoperative or postoperative complications occurred. There were significant differences between preoperative and postoperative VAS and Lysholm scores (P < 0.01).

conclusionsAll study patients achieved good or excellent outcomes. No patellar tendon rupture or suture fixation failure occurred during follow-up. Suture-bridging double-row fixation is a simple and reliable method that not only improves patients' clinical symptoms, but also restores knee joint function.

Indexed as

DebridementSuture TechniquesAdultFemaleFollow-Up StudiesHumansMaleMiddle AgedPatellar LigamentRetrospective StudiesTendinopathyTenotomyTreatment OutcomePatellar tendinopathySurgerySuture anchorTreatment

Identifiers

PMID27028381
PMCPMC6584095
OpenAlexW2321696877

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.