A word of caution: never use tacks for mesh fixation to the diaphragm!

Abstract

Background

The mesh fixation technique used in repair of hiatal hernias and subxiphoid ventral and incisional hernias must meet strenuous requirements. In the literature, there are reports of life-threatening complications with cardiac tamponade and a high mortality rate on using tacks. The continuing practice of tack deployment for mesh fixation to the diaphragm and esophageal hiatus should be critically reviewed.

Methods

In a systematic search of the available literature in May 2017, 23 cases of severe penetrating cardiac complications were identified. The authors became aware of two other cases in which they acted as medical experts. Furthermore, the instructions for use issued by the manufacturers of the tacks were reviewed with regard to their deployment in the diaphragm.

Results

Twenty-three of 25 cases (92%) with severe cardiac injuries and subsequent cardiac tamponade were triggered by the use of tacks in the diaphragm. In six cases (24%), these related to ventral and incisional hernias with extension to the subxiphoid area, and in 19 cases (76%) to mesh-augmented hiatoplasty. Twelve of 25 (48%) patients died as a result of pericardial and/or heart muscle injury with cardiac tamponade despite heart surgery intervention. In the tack manufacturers' instructions for use, their deployment in the diaphragm, in particular in the vicinity of the heart, is contraindicated. Likewise, the existing guidelines urgently advise against the use of tacks in the diaphragm, recommending instead alternative fixation techniques.

Conclusions

Tacks should not be used for mesh fixation in the diaphragm above the costal arch.

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