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Table 1 Representative examples of surgical interventions (colorectal surgery) according to their urgency (level I–IV). Prioritization should be subject- and intervention-specific

From: Surgery in times of COVID-19—recommendations for hospital and patient management

Priority levelDisease (examples)Recommended time of operation (weeks)Priority of outpatient presentation
ITrauma, bleeding (cancer, inflammation, haemorrhoids, etc.), after-bleeding, septic focus/abscess, perforation, toxic megacolon (ulcerative colitis, Clostridium difficile infection)
Colorectal cancer with local complications (e.g. bleeding and stenosis)
Complicated antibiotic-refractory diverticulitis
Crohn’s ileitis with local complications (e.g. entero-cutaneous fistula, retroperitoneal fistula, abscess)
Acute appendicitis
0–2Immediately
IIColorectal cancer without neo-adjuvant treatment
Rectal cancer with neo-adjuvant treatment (if applicable prolonged interval between neo-adjuvant treatment and operation)
Therapy-refractory ulcerative colitis
Anal carcinoma
Therapy-refractory anal fissure
2–4Next working day
IIIChronic and recurrent diverticulitis
Crohn’s ileitis without local complications
Rectal adenoma (trans-anal excision, trans-anal microsurgery)
4–121–2 weeks
IVSymptomatic haemorrhoids (except bleeding ➔ priority level I)
Ileostomy/colostomy reversal without local complications (with local complications ➔ priority level II)
Rectal prolapse, obstructed defecation syndrome, pilonidal disease
> 12No physical appointment, telemedical care