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Unexpected Positive Cultures in Rotator Cuff Revision Surgery

Unexpected Positive Cultures in Rotator Cuff Revision Surgery: Significance and Influence on Outcomes and Tendon Healing

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06257979
Acronym
POCICO
Enrollment
132
Registered
2024-02-14
Start date
2024-02-27
Completion date
2028-03-15
Last updated
2024-06-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rotator Cuff Repair

Keywords

Unexpected Positive Cultures (UPC), Revision cuff repair surgery (RCR)

Brief summary

In the context of rotator cuff re-intervention, the impact of Unexpected Positive Cultures (UPC) is not documented, and their management has not been studied, particularly regarding indications for antibiotic therapy, which is currently not a consensus. A prospective interventional study will be implemented to compare the results of non-randomized patient samples, whether positive or negative, taken during rotator cuff re-intervention. The objective is to assess whether these samples do not affect clinical outcomes and tendon healing rates.

Detailed description

Rotator cuff injuries are a common pathology with a 30% prevalence in the general population. If rotator cuff repair fails, patients often experience persistent pain, and bacteria can be detected during the revision period in approximately 30% of cases, even in the absence of septic symptoms. This type of infection, referred to as low-level infection, occurs in around 5% of cases and is frequently implicated as a contributing factor to poor outcomes of the intervention. Bacteriological samples are routinely collected during revisions, especially for prostheses. The appropriate course of action in cases where these samples test positive, yet there are no signs of infection, remains to be clarified. Notably, administering antibiotics in response to unexpected positive cultures (UPC) during the revision period for total shoulder prostheses does not appear to significantly impact results or infection rates. In the context of rotator cuff re-interventions, the impact of UPC has not been well-documented. The management of UPC, particularly regarding antibiotic therapy, has not been thoroughly studied and is not currently recommended. Further research is needed to establish guidelines for managing positive cultures in the absence of infection symptoms during rotator cuff re-interventions.

Interventions

OTHERThis study is with minimal risk and minimal constraints due to the addition of questionnaires

In this study, the specific procedures compared to routine care are : * Considering the addition of questionnaires, this study will be prospective. Due to the use of bacteriological samples, it is considered as a minimal-risk research. * The research procedure involves a bacteriological analysis of operative elements (sutures placed during the first intervention, the product of tendon debridement, and the subacromial bursa (cleaning product)) used during the re-intervention. These usually discarded operative samples are collected for bacteriological analysis. * Antibiotic treatment cannot be prescribed immediately after the surgery and during the first month following this re-intervention (time for biofilm formation). As per the protocol, even a positive sample should not lead to the initiation of systematic antibiotic therapy. In the case of identification of a pathogenic microorganism, antibiotic therapy will be prescribed, leading to discontinuation of the study.

Sponsors

Elsan
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
SINGLE (Subject)

Masking description

Following the analysis of the bacteriological samples, the investigator will read the bacteriological results. These will be entered into the database. During subsequent visits, the investigator will not provide this information to the patient who will thus remain as a single blind.

Intervention model description

The study procedure involves a re-intervention of the rotator cuff, which is conducted for the patients in accordance with standard practice. The patient undergoes local and/or general anesthesia, along with intravenous or oral antibiotic prophylaxis. During the intervention, the surgeon collects the sutures placed during the first intervention, the product of tendon debridement, and the subacromial bursa (cleaning product) used during the re-intervention. These elements usually discarded, are collected for the bacteriological analysis. Antibiotic treatment cannot be prescribed immediately and during the first month following this re-intervention (time for biofilm formation). As per the protocol, even a positive sample should not lead to the initiation of systematic antibiotic therapy. In the case of identification of a pathogenic microorganism, antibiotic therapy will be prescribed, leading to discontinuation of the study.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patient, male or female, aged 18 or over * Patient requiring re- intervention for Rotator Ruff Revision Surgery for non-healing of the same tendons after a first intervention (delay \<2 years) * Patient requiring arthroscopy * Patient having had realized a MRI of the shoulder in the 6 previous months * Affiliate participant or beneficiary of a social security scheme * Participant having been informed and not having objected to the use of their data

Exclusion criteria

* Patient with at least one clinical sign of infection (fever, redness) * Patient with a new distant rupture on a healed cuff (\> 3 years) * Patient with a history of shoulder surgery other than initial Rotator Ruff Surgery * Patient having received antibiotic treatment in the 2 weeks preceding inclusion * Participant in another research * Participant in a period of exclusion from another research still in progress at the time of inclusion * Protected participant: an adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision * Pregnant, breastfeeding or parturient woman * Participant hospitalized without consent

Design outcomes

Primary

MeasureTime frameDescription
Describe the pathogenic germs found in the positive culturesat Month 1 after the re-interventionList of pathogenic germs found in the positive samples
Compare the functional recovery of the shoulder at one year after iterative repair of non-healing rotator cuff between patients with unexpected positive cultures and patients with negative results.at Month 1, Month 3, Month 6 and 1 Year after the re-interventionCompare the functional recovery (Yes/No), at one year after iterative repair of non-healing rotator cuff between patients with unexpected positive cultures and patients with negative results using the Constant Score.
Compare the 2 groups on tendon healing, after iterative repair of non-healing of the rotator cuffat Month 1, Month 3, Month 6 and 1 Year after the re-interventionCompare the 2 groups on tendon healing (Yes/No), after iterative repair of non-healing of the rotator cuff using the Constant Score.
Compare the 2 groups on the occurrence of post-operative complications, after iterative repair of non-healing of the rotator cuffup to one year after the re-interventionCompare the 2 groups on the occurrence of post-operative complications (Yes/No), after iterative repair of non-healing of the rotator cuff and list them
Compare the 2 groups on the patient's other functional scoresat Month 1, Month 3, Month 6 and 1 Year after the re-interventionCompare the 2 groups on the patient's other functional scores such as SSV and ASES questionnaries

Secondary

MeasureTime frameDescription
Sugaya score measured from MRI to assess the influence of positive cultures on tendon healingat one year after the re-interventionThe quality of the repair was assessed using an MRI and the Sugaya classification (French version): Type 1: Normal thickness and echostructure of the rotator cuff. Type 2: Normal thickness and heterogeneous echostructure. Type 3: Thinning without discontinuity. Type 4: Moderate discontinuity. Type 5: Frank discontinuity.
Occurrence of complications during the first post-operative yearup to one year after the re-interventionList of of complications during the first post-operative year
Functional scores at one year: American Shoulder and Elbow Surgeons Score (ASES)at one year after the re-interventionASES score can be viewed as a 100-point scale that evaluates two dimensions of shoulder function: pain and performance in activities of daily living. Each of the two domains make up for 50 of the 100 points.
Functional scores at one year: Subjective Shoulder Value (SSV)at one year after the re-interventionSSV score is defined as the subjective evaluation by the patient of shoulder function, expressed as a percentage of a normal shoulder. This score ranges from 0 to 100%.
Pathogenic bacteria detected in the group of patients with positive resultsat Month 1 after the re-interventionList of pathogenic bacteria detected in the group of patients with positive results

Countries

France

Contacts

Primary ContactAlbatoul ZAKARIA, PhD
zakaria@elsan.care0033 6 49 77 17 52

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026