Jolissaint JS, et al. Timing and Outcomes of Abdominal Surgery in Neutropenic Patients. J Gastrointest Surg. 2019 Apr;23(4):643-650.

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Results: Amongst 237 patients, mortality was 11.8% (28/237) and morbidity 54.5% (130/237). Absolute neutrophil count < 500 cells/μL (50% vs. 20.6%, P < 0.01) and perforated viscus (35.7% vs. 14.8%, P = 0.01) were associated with mortality. Perforated viscus (25.4% vs. 7.5%) was also associated with morbidity. Urgent operations were associated with higher morbidity (63.6% vs 34.7%, P < 0.001) and mortality (16.4% vs 1.4%, P = 0.002) when compared to elective operations. Transfer from an outside hospital (22.3% vs. 11.2%, P = 0.02) and longer median time from admission to operation (2 days (IQR 0-6) vs. 1 day (IQR 0-3), P < 0.01) were associated with morbidity. An ANC threshold of 350 provided the best discrimination for mortality.

Conclusions: Elective surgery in the appropriately chosen neutropenic patient is relatively safe. For patients with obvious surgical pathology, we advocate for earlier operation and a lower threshold for surgical consultation in an effort expedite the diagnosis and necessary treatment.