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Post-operative C-reactive protein profile following abdominal wall reconstruction with transversus abdominis
A Pearce1, L Thornton1, P A Sutton1
1Department of Surgery, Wirral University Teaching Hospital NHS Foundation Trust, Arrowe Park Hospital, Arrowe Park Road, Upton, Wirral CH49 5PE, United Kingdom.
Introduction:
Abdominal wall reconstruction using posterior component separation with transversus abdominis release (AWTAR) produces a unique post-operative CRP profile, when compared to routine elective colorectal operations. Therefore, we aim to establish the normal post-operative C-reactive protein (poCRP) profile following AWRTAR and reduce the unnecessary invasive interventions in patients already at greater risk of septic complications.
Methods:
A retrospective analysis of daily poCRP levels was performed both for patients who underwent uncomplicated AWRTAR (n=12), and a comparator group of uncomplicated open right hemicolectomies (RH) matched for age and sex (n=24). All operations in both groups were performed by a single surgeon from 2013 to 2015.
Results:
The median (IQR) age was 62 (16) and 67 (16) years respectively, with a higher proportion of males to females in both groups (10:2 vs. 17:7). The poCRP profile follows an initial steep rise, peaking at day 2 followed by a gradual washout phase. The poCRP peak is significantly greater in the AWRTAR group compared to the RH group (274 [95%CI ±25] vs. 160 [95%CI±27]; p=0.0001), with a positive correlation between day 2 CRP levels and operative length (r=0.56).
Conclusions:
We have demonstrated that uncomplicated AWRTAR provokes a significantly greater poCRP rise (>200) compared to that well described in the literature for uncomplicated open colectomy. As poCRP is an important marker of post-operative recovery with abnormally high levels associated with septic complications, these data should help clinicians interpret the post-operative clinical course after AWRTAR.
