Background
Many surgeons routinely place intraperitoneal drains after elective colorectal surgery. However, enhanced recovery after surgery guidelines recommend against their routine use owing to a lack of clear clinical benefit. This study aimed to describe international variation in intraperitoneal drain placement and the safety of this practice.
Methods
COMPASS (COMPlicAted intra-abdominal collectionS after colorectal Surgery) was a prospective, international, cohort study which enrolled consecutive adults undergoing elective colorectal surgery (February to March 2020). The primary outcome was the rate of intraperitoneal drain placement. Secondary outcomes included: rate and time to diagnosis of postoperative intraperitoneal collections; rate of surgical site infections (SSIs); time to discharge; and 30-day major postoperative complications (Clavien–Dindo grade at least III). After propensity score matching, multivariable logistic regression and Cox proportional hazards regression were used to estimate the independent association of the secondary outcomes with drain placement.
Results
Overall, 1805 patients from 22 countries were included (798 women, 44.2 per cent; median age 67.0 years). The drain insertion rate was 51.9 per cent (937 patients). After matching, drains were not associated with reduced rates (odds ratio (OR) 1.33, 95 per cent c.i. 0.79 to 2.23; P = 0.287) or earlier detection (hazard ratio (HR) 0.87, 0.33 to 2.31; P = 0.780) of collections. Although not associated with worse major postoperative complications (OR 1.09, 0.68 to 1.75; P = 0.709), drains were associated with delayed hospital discharge (HR 0.58, 0.52 to 0.66; P < 0.001) and an increased risk of SSIs (OR 2.47, 1.50 to 4.05; P < 0.001).
Conclusion
Intraperitoneal drain placement after elective colorectal surgery is not associated with earlier detection of postoperative collections, but prolongs hospital stay and increases SSI risk.
AIM: This article presents the development of a novel preparation and processing method as well as indication for clinical applications of human allogeneic acellular dermal matrix, which was developed originally in the Central Tissue Bank (CTB) for use in burn medicine and reconstructive surgery. METHODS: Acellular dermal matrix (ADM) is a biological material assigned for utilization in several surgical procedures due to its unique structure and advantageous properties. The article focuses on a novel preparation and processing method developed by CTB, which differs in its impact on the structure, biological and biomechanical properties of the fi nal ADM compared to the wide range of commercially available ADM products and currently available ADM products of other tissue banks. RESULTS: The ubiquitous acellular allogeneic dermal collagen matrix is the main substance participating in advantageous properties facilitating the use of ADM in numerous indications from dermal replacement and soft tissue augmentation to more extensive surgical reconstructive procedures. Dermal substitutes play an essential role in the reconstruction of full-thickness skin defects, both in acute and chronic wounds, defects of fasciae, peritoneum, etc., and there is a strong evidence that they can improve the fi nal scar quality as well. Differences in preparation methods of ADMs are recently causing concerns among surgeons utilizing the ADMs. We present three different cases with favourable outcomes by using human acellular ADM grafts. CONCLUSIONS: Although ADMs did not fulfi l all of the requirements for an ideal dermal substitute, their applications have been advanced for diverse indications in soft tissue reconstructions and augmentations. Early revascularization of the allografts reduces bacterial contamination. Research and development of new generation of acellular dermal matrices with incorporated autologous in vitro cultured cells will likely yield new products and give new hope for continued improve ments in functional and cosmetic outcomes (Fig. 9, Ref. 60).
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