| Literature DB >> 34743607 |
Connie C Shao1, M Chandler McLeod1, Lauren Gleason1, Isabel C Dos Santos Marques1, Daniel I Chu1, Drew Gunnells1.
Abstract
OBJECTIVES: COVID-19 has caused significant surgical delays as institutions minimize patient exposure to hospital settings and utilization of health care resources. We aimed to assess changes in surgical case mix and outcomes due to restructuring during the pandemic.Entities:
Mesh:
Year: 2021 PMID: 34743607 PMCID: PMC8859476 DOI: 10.1177/00031348211054528
Source DB: PubMed Journal: Am Surg ISSN: 0003-1348 Impact factor: 0.688
Characteristics of Patients During the Case and Control Period.
| Control (Mar 2018-Mar 2020) (N=4800) | Case (Mar 2020-Mar 2021) (N = 2112) | Overall (N = 6912) | ||
|---|---|---|---|---|
| Age | ||||
| Mean (SD) | 58.6 (14.7) | 57.9 (15.0) | 58.3 (14.8) | .0.75 |
| Median (min, max] | 60.5 [18.3, 101] | 59.9 [18.1, 96.3] | 60.3 [18.1, 101] | |
| Race | ||||
| White | 3332 (69.4%) | 1440 (68.2%) | 4772 (69.0%) | .207 |
| Black | 1373 (28.6%) | 617 (29.2%) | 1990 (28.8%) | |
| Other | 95 (2.0%) | 55 (2.6%) | 150 (2.2%) | |
| Sex | ||||
| Female | 2926 (61.0%) | 1252 (59.3%) | 4178 (60.4%) | .198 |
| Male | 1874 (39.0%) | 860 (40.7%) | 2734 (39.6%) | |
| BMI | ||||
| Mean (SD) | 30.2 (7.71) | 30.3 (7.64) | 30.2 (7.69) | .79 |
| Median (min, max] | 29.1 [13.7, 90.9] | 29.3 [14.0, 76.7] | 29.2 [13.7, 90.9] | |
| Missing | 15 (.3%) | 16 (.8%) | 31 (.4%) | |
| Specialty | ||||
| General surgery | 2300 (47.9%) | 1032 (48.9%) | 3332 (48.2%) | .042 |
| Gynecology | 585 (12.2%) | 264 (12.5%) | 849 (12.3%) | |
| Neurosurgery | 386 (8.0%) | 204 (9.7%) | 590 (8.5%) | |
| Orthopedics | 836 (17.4%) | 311 (14.7%) | 1147 (16.6%) | |
| Thoracic | 346 (7.2%) | 156 (7.4%) | 502 (7.3%) | |
| Vascular | 344 (7.2%) | 145 (6.9%) | 489 (7.1%) | |
| Missing | 3 (.1%) | 0 (0%) | 3 (.0%) | |
| Inpatient | ||||
| Inpatient | 3327 (69.3%) | 1391 (65.9%) | 4718 (68.3%) | .0049 |
| Outpatient | 1473 (30.7%) | 721 (34.1%) | 2194 (31.7%) | |
| Elective | ||||
| Yes | 3955 (82.4%) | 1760 (83.3%) | 5715 (82.7%) | .36 |
| No | 845 (17.6%) | 352 (16.7%) | 1197 (17.3%) | |
| Payor | ||||
| Private insurance | 1878 (39.1%) | 820 (38.8%) | 2698 (39.0%) | .31 |
| Medicare | 2109 (43.9%) | 901 (42.7%) | 3010 (43.5%) | |
| Medicaid | 355 (7.4%) | 182 (8.6%) | 537 (7.8%) | |
| Other | 458 (9.5%) | 209 (9.9%) | 667 (9.6%) | |
| ASA | ||||
| ASA 1-2 | 890 (18.5%) | 407 (19.3%) | 1297 (18.8%) | .25 |
| ASA 3 | 3596 (74.9%) | 1588 (75.2%) | 5184 (75.0%) | |
| ASA 4-5 | 314 (6.5%) | 117 (5.5%) | 431 (6.2%) | |
| Diabetes mellitus | ||||
| Insulin | 386 (8.0%) | 142 (6.7%) | 528 (7.6%) | .16 |
| No | 3838 (80.0%) | 1708 (80.9%) | 5546 (80.2%) | |
| Non-insulin | 576 (12.0%) | 262 (12.4%) | 838 (12.1%) | |
| Current smoker within 1 year | ||||
| No | 3897 (81.2%) | 1744 (82.6%) | 5641 (81.6%) | .18 |
| Yes | 903 (18.8%) | 368 (17.4%) | 1271 (18.4%) | |
| Dyspnes | ||||
| At rest | 10 (.2%) | 3 (.1%) | 13 (.2%) | .027 |
| Moderate exertion | 501 (10.4%) | 135 (6.4%) | 636 (9.2%) | |
| No | 4289 (89.4%) | 1515 (71.7%) | 5804 (84.0%) | |
| Missing | 0 (0%) | 459 (21.7%) | 459 (6.6%) | |
| Functional health status | ||||
| Independent | 4692 (97.8%) | 2090 (99.0%) | 6782 (98.1%) | .0024 |
| Partially dependent | 91 (1.9%) | 20 (.9%) | 111 (1.6%) | |
| Totally dependent | 17 (.4%) | 2 (.1%) | 19 (.3%) | |
| Ventilator dependent | ||||
| No | 4790 (99.8%) | 2104 (99.6%) | 6894 (99.7%) | .31 |
| Yes | 10 (.2%) | 8 (.4%) | 18 (.3%) | |
| History of severe COPD | ||||
| No | 4592 (95.7%) | 2022 (95.7%) | 6614 (95.7%) | .94 |
| Yes | 208 (4.3%) | 90 (4.3%) | 298 (4.3%) | |
| Ascites w/in 30 days before surgery | ||||
| No | 4764 (99.3%) | 2094 (99.1%) | 6858 (99.2%) | .77 |
| Yes | 36 (.8%) | 18 (.9%) | 54 (.8%) | |
| Congestive heart failure w/in 30 days before surgery | ||||
| No | 4771 (99.4%) | 2099 (99.4%) | 6870 (99.4%) | 1 |
| Yes | 29 (.6%) | 13 (.6%) | 42 (.6%) | |
| Hypertension requiring medication | ||||
| No | 2196 (45.8%) | 942 (44.6%) | 3138 (45.4%) | .39 |
| Yes | 2604 (54.3%) | 1170 (55.4%) | 3774 (54.6%) | |
| Acute renal failure | ||||
| No | 4794 (99.9%) | 2109 (99.9%) | 6903 (99.9%) | 1 |
| Yes | 6 (.1%) | 3 (.1%) | 9 (.1%) | |
| Dialysis requirement | ||||
| No | 4706 (98.0%) | 2072 (98.1%) | 6778 (98.1%) | .93 |
| Yes | 94 (2.0%) | 40 (1.9%) | 134 (1.9%) | |
| Disseminated cancer | ||||
| No | 4568 (95.2%) | 2015 (95.4%) | 6583 (95.2%) | .71 |
| Yes | 232 (4.8%) | 97 (4.6%) | 329 (4.8%) | |
| Open wound with or without infection | ||||
| No | 4641 (96.7%) | 1601 (75.8%) | 6242 (90.3%) | .80 |
| Yes | 159 (3.3%) | 52 (2.5%) | 211 (3.1%) | |
| Missing | 0 (0%) | 459 (21.7%) | 459 (6.6%) | |
| Immunocompromised | ||||
| No | 4397 (91.6%) | 1932 (91.5%) | 6329 (91.6%) | .90 |
| Yes | 403 (8.4%) | 180 (8.5%) | 583 (8.4%) | |
| Malnourishment | ||||
| No | 4728 (98.5%) | 1621 (76.8%) | 6349 (91.9%) | .27 |
| Yes | 72 (1.5%) | 32 (1.5%) | 104 (1.5%) | |
| Missing | 0 (0%) | 459 (21.7%) | 459 (6.6%) | |
| Bleeding disorder | ||||
| No | 4527 (94.3%) | 2002 (94.8%) | 6529 (94.5%) | .46 |
| Yes | 273 (5.7%) | 110 (5.2%) | 383 (5.5%) | |
| Pre-operative (72 hr) blood transfusion | ||||
| No | 4754 (99.0%) | 2092 (99.1%) | 6846 (99.0%) | 1 |
| Yes | 46 (1.0%) | 20 (.9%) | 66 (1.0%) | |
| Sepsis at the time of surgery | ||||
| None | 4696 (97.8%) | 2036 (96.4%) | 6732 (97.4%) | .0070 |
| SIRS | 38 (.8%) | 27 (1.3%) | 65 (.9%) | |
| Sepsis | 53 (1.1%) | 41 (1.9%) | 94 (1.4%) | |
| Septic shock | 13 (.3%) | 8 (.4%) | 21 (.3%) | |
Proportion of Case Volume Reduction During the Pandemic.
| Month | Control | Case | Ratio of case volume during the pandemic, % |
|---|---|---|---|
| (Mar 2018-Mar 2020) | (Mar 2020-Mar 2021) | ||
| (N = 4800) | (N = 2112) | ||
| Mar | 354 | 159 | 45 |
| Apr | 337 | 156 | 46 |
| May | 436 | 177 | 41 |
| Jun | 463 | 180 | 39 |
| Jul | 467 | 170 | 36 |
| Aug | 463 | 241 | 52 |
| Sep | 409 | 216 | 53 |
| Oct | 201 | 176 | 88 |
| Nov | 450 | 129 | 29 |
| Dec | 414 | 173 | 42 |
| Jan | 429 | 229 | 53 |
| Feb | 377 | 106 | 28 |
Figure 1.Factors predicting whether the procedure was done during the COVID-19 pandemic.
Figure 2.Increased volume of elective surgeries, decreased volume of emergent surgeries in 2020.
Equivocal Outcomes Before and During the COVID-19 Pandemic.
| Control (Mar 2018-Mar 2020) (N = 4800) | Case (Mar 2020-Mar 2021) (N = 2112) | Overall (N=6912) | ||
|---|---|---|---|---|
| SSI | ||||
| No | 4559 (95.0%) | 2008 (95.1%) | 6567 (95.0%) | .91 |
| Yes | 241 (5.0%) | 104 (4.9%) | 345 (5.0%) | |
| Mortality | ||||
| No | 4751 (99.0%) | 2094 (99.1%) | 6845 (99.0%) | .60 |
| Yes | 49 (1.0%) | 18 (.9%) | 67 (1.0%) | |
| LOS | ||||
| Mean (SD) | 3.98 (6.77) | 3.95 (6.96) | 3.97 (6.83) | .84 |
| Median (min, max) | 2.00 (0, 309) | 2.00 (0, 185) | 2.00 (0, 309) | |
| pLOS | ||||
| Mean (SD) | 3.38 (4.12) | 3.27 (4.18) | 3.35 (4.14) | .29 |
| Median (min, max) | 2.00 (0, 30.0) | 2.00 (0, 30.0) | 2.00 (0, 30.0) | |
| 30-day readmission | ||||
| No | 4422 (92.1%) | 1929 (91.3%) | 6351 (91.9%) | .29 |
| Yes | 378 (7.9%) | 183 (8.7%) | 561 (8.1%) | |
| Case duration | ||||
| Mean (SD) | 155 (98.0) | 157 (100) | 155 (98.6) | .39 |
| Median (min, max) | 129 (12.0, 1130) | 130 (14.0, 880) | 129 (12.0, 1130) | |
Figure 3.Secondary outcomes for the control and case cohorts.