Walch, J Shoulder Elbow Surg 2019 - What I've Learned?

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What I've Learned?

Walch·J Shoulder Elbow Surg·2019·6 citations·Review article

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Walch summarizes career-long lessons from systematic patient follow-up across all major shoulder surgery domains. The paper covers anterior and posterior instability, rotator cuff tears, anatomic arthroplasty, and reverse arthroplasty. Recommendations are derived from honest analysis of both successes and failures — not theory.

Key Findings

Fatty infiltration is the single best predictor of rotator cuff repair outcome, and it cannot be reversed. Select patients before offering repair — once the muscle is gone, no tendon healing changes the functional result.
Arthroscopic soft-tissue repairs for recurrent anterior instability are less effective than the open Latarjet procedure. The Latarjet is not universal, however: absolute contraindications include voluntary instability, seizure disorder, and posterosuperior impingement.
Revision reverse shoulder arthroplasty carries a 3× higher complication rate than primary reverse. Counsel patients explicitly before undertaking revision. This is not a routine redo case.
Grammont-style fully medialized designs reliably cause scapular notching. Three design modifications address this without sacrificing longevity:
- Glenoid lateralization
- Glenoid inferiorization
- 135° neck-shaft angle (Frankle principles)
The leading cause of dislocation after reverse arthroplasty is failure to adequately lengthen the humeral side. If the construct is too short, the soft-tissue envelope cannot maintain stability. Length restoration is non-negotiable.
Humeral lateralization does not substitute for glenoid lateralization and cannot independently produce good reverse arthroplasty outcomes. Optimize the glenoid side first.
Static posterior humeral subluxation in glenohumeral osteoarthritis recurs after anatomic TSA, progressively overloading the posterior glenoid and accelerating component loosening. Recognize this pattern preoperatively. It should drive implant selection toward reverse in the right patient.
Age alone is not a contraindication to anatomic TSA. In older patients without severe fatty infiltration, anatomic TSA frequently outperforms reverse prosthesis. Do not default to reverse simply because a patient is elderly.

Board PearlFatty infiltration is irreversible and predicts cuff repair failure; revision reverse arthroplasty carries 3× the complication rate of primary.

What I've Learned?

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What I've Learned?

Walch·J Shoulder Elbow Surg·2019·6 citations·Review article

|

Walch summarizes career-long lessons from systematic patient follow-up across all major shoulder surgery domains. The paper covers anterior and posterior instability, rotator cuff tears, anatomic arthroplasty, and reverse arthroplasty. Recommendations are derived from honest analysis of both successes and failures — not theory.

Key Findings

Fatty infiltration is the single best predictor of rotator cuff repair outcome, and it cannot be reversed. Select patients before offering repair — once the muscle is gone, no tendon healing changes the functional result.
Arthroscopic soft-tissue repairs for recurrent anterior instability are less effective than the open Latarjet procedure. The Latarjet is not universal, however: absolute contraindications include voluntary instability, seizure disorder, and posterosuperior impingement.
Revision reverse shoulder arthroplasty carries a 3× higher complication rate than primary reverse. Counsel patients explicitly before undertaking revision. This is not a routine redo case.
Grammont-style fully medialized designs reliably cause scapular notching. Three design modifications address this without sacrificing longevity:
- Glenoid lateralization
- Glenoid inferiorization
- 135° neck-shaft angle (Frankle principles)
The leading cause of dislocation after reverse arthroplasty is failure to adequately lengthen the humeral side. If the construct is too short, the soft-tissue envelope cannot maintain stability. Length restoration is non-negotiable.
Humeral lateralization does not substitute for glenoid lateralization and cannot independently produce good reverse arthroplasty outcomes. Optimize the glenoid side first.
Static posterior humeral subluxation in glenohumeral osteoarthritis recurs after anatomic TSA, progressively overloading the posterior glenoid and accelerating component loosening. Recognize this pattern preoperatively. It should drive implant selection toward reverse in the right patient.
Age alone is not a contraindication to anatomic TSA. In older patients without severe fatty infiltration, anatomic TSA frequently outperforms reverse prosthesis. Do not default to reverse simply because a patient is elderly.

Board PearlFatty infiltration is irreversible and predicts cuff repair failure; revision reverse arthroplasty carries 3× the complication rate of primary.

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