The edition · General Surgery
A day-2 CRP below 100 may be enough to send colon resections home
A two-cohort study puts the negative predictive value of a low day-2 CRP for anastomotic leak at about 99%. Also: pulse-dose steroids before cancer surgery showed no benefit, incisional negative pressure dressings cut infection at a blistering cost, and palliating gastric outlet obstruction.
The edition in brief
A Danish two-cohort diagnostic accuracy study in 614 elective colon cancer resections found that a C-reactive protein below 100 mg/L on postoperative day 2 carried a negative predictive value of about 99% for clinically significant anastomotic leak. For those above 100, a falling CRP on day 3 identified most of the remaining low-risk patients, so nearly 90% could be discharged by day 2 or 3 with leak risk near 1%. A French double-blind trial of 1,210 patients found 20 mg/kg methylprednisolone at induction did not reduce major complications after digestive cancer surgery (23% vs 20%). A meta-analysis of 85 randomised trials found incisional negative pressure wound therapy reduced surgical site infection (RR 0.64, NNT 21) but increased skin blistering (NNH 18) and device-related adverse events, supporting selective use. A network meta-analysis of 15 studies in malignant gastric outlet obstruction ranked EUS-guided gastroenterostomy highest for clinical success and durability, with stenting needing more reintervention, but drew partly on cohort data.
Pulse-dose methylprednisolone before digestive cancer surgery: no benefit
Do not give pulse-dose methylprednisolone before digestive cancer surgery to prevent complications.
Incisional negative pressure dressings cut infection, but blister often
Consider incisional negative pressure dressings selectively, for high-risk incisions, rather than for every closed wound.
Malignant gastric outlet obstruction: EUS-guided gastroenterostomy ranks highest
For malignant gastric outlet obstruction, consider EUS-guided gastroenterostomy where the expertise exists, and keep stenting for short expected survival.
A low CRP rules out a leak; it does not rule out a patient who looks unwell
Let a low CRP support discharge of a well patient, but never let it overrule clinical concern.
Day-2 CRP below 100 mg/L: a leak-exclusion threshold for earlier discharge
After elective colon cancer resection, consider a day-2 CRP below 100 mg/L, with a well patient, as support for discharge on day 2 or 3.
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