Poster Session C - Monday Afternoon
Category: Colon
Ahmad Nawaz, MD
Yale University School of Medicine
New Haven, CT
 Abbreviations: BMI, Body mass index; CI, colon Ischemia; ICU, Intensive Care Unit
Outcomes | Spring (SP-CI) 27.0% (185) | Summer (SU-CI) 24.5% (168) | Fall (FA-CI) 22.0% (151) | Winter (WI-CI) 26.4% (181) | p value |
Demographics | |||||
Age (years), median (IQR) | 70 (63 - 80) | 69 (61 - 79) | 72 (64 - 80) | 70 (60 - 80) | 0.988 |
Female | 135 (72.9%) | 125 (74.4%) | 114 (75.5%) | 133 (73.4) | 0.957 |
BMI, median (IQR) | 27.68 (23.83-32.14) | 26.78 (22.86-30.67) | 28.22 (24.80-31.7) | 27.06 (23.39-32.11) | 0.935 |
Presentation | |||||
Tachycardia | 17.8% (33) | 17.8% (30) | 20.5% (31) | 20.4% (37) | 0.857 |
Hypotension | 6.4% (12) | 8.3% (14) | 5.3% (8) | 9.4% (17) | 0.485 |
Peritoneal signs | 7.6% (14) | 6.6% (11) | 7.2% (11) | 11.6% (21) | 0.316 |
Medical comorbidities | |||||
Chronic pulmonary disease | 19.4% (36) | 24.4% (41) | 22.5% (34) | 21.5% (39) | 0.727 |
Colon cancer | 2.1% (4) | 1.1% (2) | 1.3% (2) | 2.2% (4) | 0.837 |
Coronary artery disease | 30.8% (57) | 26.3% (44) | 32% (48) | 27.2% (49) | 0.616 |
Diabetes mellitus | 30.2% (56) | 32.7% (55) | 34.4% (52) | 29.2% (53) | 0.738 |
Hypertension | 73.5% (136) | 78.5% (132) | 81.4% (123) | 76.8% (139) | 0.364 |
Hemodialysis | 10.1% (9) | 10.3% (10) | 5.8% (5) | 12.6% (11) | 0.510 |
Hypercoagulable state | 0.5% (1) | 0.6% (1) | 0.7% (1) | 1.1% (2) | 0.915 |
Malignancy (any) | 14% (26) | 18.4% (31) | 14% (21) | 17.7% (32) | 0.557 |
Malignancy with metastasis | 3.8% (1) | 6.4% (2) | 9.5% (2) | 9.3% (3) | 0.837 |
Peripheral vascular disease | 10.3% (19) | 5.3% (9) | 6.6% (10) | 7.2% (13) | 0.324 |
Stroke | 8.1% (15) | 8.3% (14) | 11.9% (18) | 13.8% (25) | 0.226 |
Calculated Charlson Score, mean (SD) | 5 (2.7) | 5 (2.8) | 5.2 (2.8) | 5.1 (3.0) | 0.979 |
Bowel Segment Involvement | |||||
Small bowel involvement | 6.8% (8) | 7.2% (7) | 4% (4) | 7.3% (8) | 0.732 |
Pancolitis | 5.6% (10) | 2.5% (4) | 4.8% (7) | 8.3% (15) | 0.122 |
Any right colon involvement | 24.8% (40) | 27.3% (41) | 21.8% (29) | 28.6% (45) | 0.564 |
Right colon only | 13.5% (23) | 16.6% (26) | 10.6% (15) | 14.7% (25) | 0.500 |
CI Severity | |||||
Mild CI Moderate CI Severe CI | 0.5% (1) 46.9% (86) 52.4% (96) | 0% (0) 49.1% (82) 50.9% (85) | 0% (0) 56.3% (84) 43.6% (65) | 1.12% (2) 49.1% (88) 49.7% (89) | 0.390 |
Presence of necrosis on colonoscopy | 9.8% (16) | 10.4% (16) | 8.2% (11) | 5.4% (9) | 0.372 |
ICU requirement | 22.5% (41) | 24.2% (39) | 18.2% (27) | 25.9% (46) | 0.400 |
Outcomes | |||||
30-day colectomy | 10.3% (19) | 8.3% (14) | 9.2% (14) | 11.1% (20) | 0.842 |
30- day mortality | 5.4% (10) | 3.5% (6) | 4% (6) | 6.6% (12) | 0.546 |
Combined poor outcome (30- day colectomy and/or 30-day mortality) | 13.5% (25) | 9.5% (16) | 11.3% (17) | 15% (27) | 0.437 |
Length of stay (mean, (SD)) | 6.2 (16.9) | 10.3 (56.6) | 8.4 (31.2) | 10.1(55.2) | 0.137 |
C Difficile as a complication | 3.4% (6) | 2.5% (4) | 2.8% (4) | 3.1% (5) | 0.97 |
30-day Readmission | 13.5% (25) | 10.7% (18) | 7.3% (11) | 9.9% (18) | 0.328 |
30-day Recurrence | 3.7% (7) | 1.7% (3) | 0% (0) | 2.2% (4) | 0.112 |