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Schootman M, Li C, Ying J, Orcutt ST, Laryea J. Maximizing Readmission Reduction in Colon Cancer Patients. J Surg Res 2024; 295:587-596. [PMID: 38096772 PMCID: PMC10922981 DOI: 10.1016/j.jss.2023.11.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 10/09/2023] [Accepted: 11/12/2023] [Indexed: 02/25/2024]
Abstract
INTRODUCTION Multiple studies have identified risk factors for readmission in colon cancer patients. We need to determine which risk factors, when modified, produce the greatest decrease in readmission for patients so that limited resources can be used most effectively by implementing targeted evidence-based performance improvements. We determined the potential impact of various modifiable risk factors on reducing 30-d readmission in colon cancer patients. METHODS We used a cohort design with the 2012-2020 American College of Surgeons' National Surgical Quality Improvement Program data to track colon cancer patients for 30 d following surgery. Colon cancer patients who received colectomies and were discharged alive were included. Readmission (to the same or another hospital) for any reason within 30 d of the resection was the outcome measure. Modifiable risk factors were the use of minimally invasive surgery (MIS) versus open colectomy, mechanical bowel preparation, preoperative antibiotic use, functional status, smoking, complications (deep vein thrombosis, pulmonary embolism, myocardial infarction, stroke, infections, anastomotic leakage, prolonged postoperative ileus, extensive blood loss, and sepsis), serum albumin, and hematocrit. RESULTS 111,691 patients with colon cancer were included in the analysis. About half of the patients were male, most were aged 75 or older, and were discharged home. Overall, 11,138 patients (10.0%) were readmitted within 30 d of surgery. In adjusted analysis, the reduction in readmission would be largest by preventing both prolonged ileus and by switching open colectomies to MIS (28.0% relative reduction) followed by preventing anastomotic leaks (6.2% relative reduction). Improving other modifiable risk factors would have a more limited impact. CONCLUSIONS The focus of readmission reduction should be on preventing prolonged ileus, increasing the use of MIS, and preventing anastomotic leaks.
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Affiliation(s)
- Mario Schootman
- Division of Community Health and Research, Department of Internal Medicine, College of Medicine, The University of Arkansas for Medical Sciences, Springdale, Arkansas; Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
| | - Chenghui Li
- Division of Pharmaceutical Evaluation and Policy, Department of Pharmacy Practice, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Jun Ying
- Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas; Department of Biostatistics, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Sonia T Orcutt
- Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas; Division of Surgical Oncology, Department of Surgery, College of Medicine, The University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Jonathan Laryea
- Winthrop P. Rockefeller Cancer Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas; Division of Colorectal Surgery, Department of Surgery, College of Medicine, The University of Arkansas for Medical Sciences, Little Rock, Arkansas
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Oishi K, Tominaga T, Ono R, Noda K, Hashimoto S, Shiraishi T, Takamura Y, Nonaka T, Ishii M, Fukuoka H, Hisanaga M, Takeshita H, To K, Tanaka K, Sawai T, Nagayasu T. Risk factors for reoperation within 30 days in laparoscopic colorectal cancer surgery: A Japanese multicenter study. Asian J Endosc Surg 2024; 17:e13257. [PMID: 37944946 DOI: 10.1111/ases.13257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 11/12/2023]
Abstract
INTRODUCTION Thirty-day reoperation rate reflects short-term surgical outcomes following surgery. Laparoscopic surgery for colorectal cancer reportedly has positive effects on postoperative complications. This retrospective study investigated risk factors for 30-day reoperation rate among patients after laparoscopic colorectal cancer surgery using a multicenter database. METHODS Participants comprised 3037 patients who had undergone laparoscopic resection of colorectal cancer between April 2016 and December 2022 at the Nagasaki University and six affiliated centers, classified into those who had undergone reoperation within 30 days after surgery (RO group; n = 88) and those who had not (NRO group; n = 2949). Clinicopathological characteristics were compared between groups. RESULTS In the RO group, anastomotic leakage occurred in 57 patients (64.8%), intestinal obstruction in 12 (13.6%), and intraabdominal abscess in 5 (5.7%). Female patients were more frequent, preoperative treatment less frequent, body mass index (BMI) lower, operation time longer, blood loss greater, and hospital stay longer in the RO group (p < .05 each). Multivariate analysis revealed BMI (odds ratio, 0.415; 95% confidence interval, 0.218-0.787; p = .021) and poor performance status (odds ratio, 1.966; 95% confidence interval, 1.106-3.492; p = .021) as independent predictors of reoperation. CONCLUSION Perioperative measures are warranted for patients with low BMI and poor performance status undergoing laparoscopic colorectal surgery.
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Affiliation(s)
- Kaido Oishi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Tetsuro Tominaga
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Rika Ono
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Keisuke Noda
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Shintaro Hashimoto
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Toshio Shiraishi
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Yuma Takamura
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Takashi Nonaka
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Mitsutoshi Ishii
- Department of Surgery, Isahaya General Hospital, Nagasaki, Japan
| | | | - Makoto Hisanaga
- Department of Surgery, Sasebo City General Hospital, Nagasaki, Japan
| | - Hiroaki Takeshita
- Department of Surgery, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan
| | - Kazuo To
- Department of Surgery, Ureshino Medical Center, Saga, Japan
| | - Kenji Tanaka
- Department of Surgery, Saiseikai Nagasaki Hospital, Nagasaki, Japan
| | - Terumitsu Sawai
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Takeshi Nagayasu
- Department of Surgical Oncology, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
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Chen WS, Huang ZX, Zhang HH, Chen XD, Cai YQ, Chen WJ, Zhu GB, Huang YS. Lactate Dehydrogenase and Risk of Readmission with Gastric Cancer: A Propensity Score Matching Analysis. J INVEST SURG 2023; 36:2172488. [PMID: 36775654 DOI: 10.1080/08941939.2023.2172488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/18/2023] [Indexed: 02/14/2023]
Abstract
PURPOSE Readmission is one of the measures of quality of care and potential costs. This study aimed to determine whether lactate dehydrogenase (LDH) is associated with an increased risk of 30-day readmission in gastric cancer. METHODS We performed a retrospective study of patients who underwent radical gastrectomy for gastric cancer at our institution between July 2014 and May 2018. Balanced cohorts were created by propensity score matching (PSM) with a 1:1 ratio to generate the elevated LDH (ELDH) group (n = 151) and the low LDH group (Control) (n = 302). To determine the incidence, causes, and risk factors of 30-day readmission, subgroup analyzes were performed and used to develop an efficient prediction model. RESULTS A total of 788 patients met the criteria to be included in the study. The cutoff value for serum LDH was 215.5. After PSM, a total of 302 patients were matched in pairs (ELDH group, n = 151, Control group, n = 151). ELDH levels had a higher risk of readmission (p = 0.005, Odds ratio 3.768, 95% confidence interval 1.493-9.510). The pre-match 30-day readmission rate was 7.2 percent, and common causes of post-match readmission included infection-related symptoms, gastrointestinal symptoms, and gastrointestinal bleeding. CONCLUSIONS Patients with preoperative ELDH levels, postoperative complications, and high preoperative American Society of Anesthesiologists Scores had a higher risk of readmission 30 days after surgery.
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Affiliation(s)
- Wei-Sheng Chen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Ze-Xin Huang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Hui-Hui Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Xiao-Dong Chen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Yi-Qi Cai
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Wen-Jing Chen
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Guan-Bao Zhu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Yun-Shi Huang
- Department of Trauma & Emergency Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
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Haribhai S, Bhatia K, Shahmanesh M. Global elective breast- and colorectal cancer surgery performance backlogs, attributable mortality and implemented health system responses during the COVID-19 pandemic: A scoping review. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0001413. [PMID: 37014874 PMCID: PMC10072489 DOI: 10.1371/journal.pgph.0001413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 03/07/2023] [Indexed: 04/05/2023]
Abstract
Globally, 28.4 million non-emergent ('elective') surgical procedures have been deferred during the COVID-19 pandemic. This study evaluated the impact of the COVID-19 pandemic on elective breast- or colorectal cancer (CRC) procedure backlogs and attributable mortality, globally. Further, we evaluated the interaction between procedure deferrals and health systems, internationally. Relevant articles from any country, published between December 2019-24 November 2022, were identified through searches of online databases (MEDLINE, EMBASE) and by examining the reference lists of retrieved articles. We organised health system-related findings thematically per the Structures-Processes-Outcomes conceptual model by Donabedian (1966). Of 337 identified articles, we included 50. Eleven (22.0%) were reviews. The majority of included studies originated from high-income countries (n = 38, 76.0%). An ecological, modelling study elucidated that global 12-week procedure cancellation rates ranged from 68.3%-73%; Europe and Central Asia accounted for the majority of cancellations (n = 8,430,348) and sub-Saharan Africa contributed the least (n = 520,459). The percentage reduction in global, institutional elective breast cancer surgery activity ranged from 5.68%-16.5%. For CRC, this ranged from 0%-70.9%. Significant evidence is presented on how insufficient pandemic preparedness necessitated procedure deferrals, internationally. We also outlined ancillary determinants of delayed surgery (e.g., patient-specific factors). The following global health system response themes are presented: Structural changes (i.e., hospital re-organisation), Process-related changes (i.e., adapted healthcare provision) and the utilisation of Outcomes (i.e., SARS-CoV-2 infection incidence among patients or healthcare personnel, postoperative pulmonary complication incidence, hospital readmission, length of hospital stay and tumour staging) as indicators of health system response efficacy. Evidence on procedure backlogs and attributable mortality was limited, partly due to insufficient, real-time surveillance of cancer outcomes, internationally. Elective surgery activity has decreased and cancer services have adapted rapidly, worldwide. Further research is needed to understand the impact of COVID-19 on cancer mortality and the efficacy of health system mitigation measures, globally.
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Affiliation(s)
- Sonia Haribhai
- Institute for Global Health, University College London, London, United Kingdom
- Africa Health Research Institute, Durban, South Africa
| | - Komal Bhatia
- Institute for Global Health, University College London, London, United Kingdom
| | - Maryam Shahmanesh
- Institute for Global Health, University College London, London, United Kingdom
- Africa Health Research Institute, Durban, South Africa
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A Single-Institution Analysis of Targeted Colorectal Surgery Enhanced Recovery Pathway Strategies That Decrease Readmissions. Dis Colon Rectum 2022; 65:e728-e740. [PMID: 34897213 DOI: 10.1097/dcr.0000000000002129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Decreasing readmissions is an important quality improvement strategy. Targeted interventions that effectively decrease readmissions have not been fully investigated and standardized. OBJECTIVE The purpose of this study was to assess the effectiveness of interventions designed to decrease readmissions after colorectal surgery. DESIGN This was a retrospective comparison of patients before and after the implementation of interventions. SETTING This study was conducted at a single institution dedicated enhanced recovery pathway colorectal surgery service. PATIENTS The study group received quality review interventions that were designed to decrease readmissions: preadmission class upgrades, a mobile phone app, a pharmacist-led pain management strategy, and an early postdischarge clinic. The control group was composed of enhanced recovery patients before the interventions. Propensity score weighting was used to adjust patient characteristics and predictors for imbalances. MAIN OUTCOME MEASURE The primary outcome was 30-day readmissions. Secondary outcomes included emergency department visits. RESULTS There were 1052 patients in the preintervention group and 668 patients in the postintervention group. After propensity score weighting, the postintervention cohort had a significantly lower readmission rate (9.98% vs 17.82%, p < 0.001) and emergency department visit rate (14.58% vs 23.15%, p < 0.001) than the preintervention group, and surgical site infection type I/II was significantly decreased as a readmission diagnosis (9.46% vs 2.43%, p = 0.043). Median time to readmission was 6 (interquartile 3-11) days in the preintervention group and 8 (3-17) days in the postintervention group (p = 0.21). Ileus, acute kidney injury, and surgical site infection type III were common reasons for readmissions and emergency department visits. LIMITATIONS A single-institution study may not be generalizable. CONCLUSION Readmission bundles composed of targeted interventions are associated with a decrease in readmissions and emergency department visits after enhanced recovery colorectal surgery. Bundle composition may be institution dependent. Further study and refinement of bundle components are required as next-step quality metric improvements. See Video Abstract at http://links.lww.com/DCR/B849. ANLISIS EN UNA SOLA INSTITUCIN DE LAS CIRUGAS COLORECTALES CON VAS DE RECUPERACIN DIRIGIDA AUMENTADA QUE REDUCEN LOS REINGRESOS ANTECEDENTES:La reducción de los reingresos es una importante estrategia de mejora de la calidad. Las intervenciones dirigidas que reducen eficazmente los reingresos no se han investigado ni estandarizado por completo.OBJETIVO:El propósito de este estudio fue evaluar la efectividad de las intervenciones diseñadas para disminuir los reingresos después de la cirugía colorrectal.DISEÑO:Comparación retrospectiva de pacientes antes y después de la implementación de las intervenciones.ESCENARIO:Una sola institución dedicada al Servicio de cirugía colorrectal con vías de recuperación dirigida aumentadaPACIENTES:El grupo de estudio recibió intervenciones de revisión de calidad que fueron diseñadas para disminuir los reingresos: actualizaciones de clases previas a la admisión, una aplicación para teléfono móvil, una estrategia de manejo del dolor dirigida por farmacéuticos y alta temprana de la clínica. El grupo de control estaba compuesto por pacientes con recuperación mejorada antes de las intervenciones. Se utilizó la ponderación del puntaje de propensión para ajustar las características del paciente y los predictores de los desequilibrios.PARÁMETRO DE RESULTADO PRINCIPAL:El resultado primario fueron los reingresos a los 30 días. Los resultados secundarios incluyeron visitas al servicio de urgencias.RESULTADOS:Hubo 1052 pacientes en el grupo de preintervención y 668 pacientes en el grupo de posintervención. Después de la ponderación del puntaje de propensión, la cohorte posterior a la intervención tuvo una tasa de reingreso significativamente menor (9,98% frente a 17,82%, p <0,001) y una tasa de visitas al servicio de urgencias (14,58% frente a 23,15%, p <0,001) que el grupo de preintervención y la infección del sitio quirúrgico tipo I / II se redujo significativamente como diagnóstico de reingreso (9,46% frente a 2,43%, p = 0,043). La mediana de tiempo hasta la readmisión fue de 6 [IQR 3, 11] días en el grupo de preintervención y de 8 [3, 17] días en el grupo de posintervención (p = 0,21). El íleo, la lesión renal aguda y la infección del sitio quirúrgico tipo III fueron motivos frecuentes de reingresos y visitas al servicio de urgencias.LIMITACIONES:El estudio de una sola institución puede no ser generalizable.CONCLUSIÓNES:Los paquetes de readmisión compuestos por intervenciones dirigidas se asocian con una disminución en las readmisiones y las visitas al departamento de emergencias después de una cirugía colorrectal con vías de recuperación dirigida aumentada. La composición del paquete puede depender de la institución. Se requieren más estudios y refinamientos de los componentes del paquete como siguiente paso de mejora de la métrica de calidad. Consulte Video Resumen en http://links.lww.com/DCR/B849. (Traducción-Dr Yolanda Colorado).
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Turrentine FE, Smolkin ME, McMurry TL, Scott Jones R, Zaydfudim VM, Davis JP. Determining the Association Between Unplanned Reoperation and Readmission in Selected General Surgery Operations. J Surg Res 2021; 267:309-319. [PMID: 34175585 DOI: 10.1016/j.jss.2021.05.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/19/2021] [Accepted: 05/04/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Unplanned reoperations and unplanned readmissions can increase morbidity and mortality. Few studies however, have explored the association of reoperation and readmission among general surgery patients. Our aim was to examine this relationship in selected abdominal operations. METHODS Data from the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) Participant Use Data Files from 2014 to 2018 were utilized. Six groups of operations, defined by ACS NSQIP procedure codes for ventral hernia repair, colectomy, appendectomy, proctectomy, small bowel resection, and gastrectomy, were assessed. Patients discharged ≤ 14 days after operation were included in the study. This time period was selected to reduce ACS NSQIP 30 day post-surgery follow-up bias. Unplanned reoperations were defined as those occurring during the index hospitalization. The primary outcome was unplanned readmission that occurred ≤ 14 days from the date of discharge. Logistic regression models were used to examine variables associated with unplanned readmission for each procedure group. RESULTS A total of 787,118 patients were included: ventral hernia repair 35.2%, colectomy 30.6%, appendectomy 26.5%, proctectomy 3.7%, small bowel resection 3.2%, and gastrectomy 0.8%. Unplanned reoperation was independently associated with unplanned readmission for ventral hernia repair (OR 2.84, 95% CI 2.28-3.54, P < 0.001), colectomy (OR 1.58, CI 1.42- 1.76, P < 0.001), appendectomy (OR 2.91, CI 2.21-3.84, P < 0.001), and proctectomy (OR 1.41, CI 1.10-1.81, P = 0.006). Other clinically relevant covariates associated with readmission were partially dependent functional status before colectomy (OR 1.34, CI 1.23-1.46, P < 0.001), ventral hernia repair (OR 1.79, CI 1.54-2.09, P < 0.001), and small bowel resection (OR 1.44, CI 1.18-1.77, P < 0.001; and ASA 4/5 classification for colectomy (OR 2.71, CI 2.36-3.11, P < 0.001), proctectomy (OR 2.10, CI 1.48-2.97, P < 0.001), ventral hernia repair (OR 8.19, CI 6.78-9.88, P < 0.001), appendectomy (OR 2.80, CI 2.35-3.34, P < 0.001), and small bowel resection (OR 3.42, CI 2.20-5.32, P < 0.001). ASA 2, ASA 3 classification, age, and sex were also associated with unplanned readmission for most procedures. CONCLUSIONS Unplanned reoperations are associated with an increase in unplanned readmission after selected abdominal operations included in this study. This factor should be considered in discharge and follow-up planning to help reduce unplanned readmissions.
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Affiliation(s)
- Florence E Turrentine
- Department of Surgery, University of Virginia, Charlottesville, Virginia; Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia
| | - Mark E Smolkin
- Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia; Public Health Sciences, University of Virginia, Charlottesville, Virginia
| | - Timothy L McMurry
- Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia; Public Health Sciences, University of Virginia, Charlottesville, Virginia
| | - R Scott Jones
- Department of Surgery, University of Virginia, Charlottesville, Virginia; Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia
| | - Victor M Zaydfudim
- Department of Surgery, University of Virginia, Charlottesville, Virginia; Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia
| | - John P Davis
- Department of Surgery, University of Virginia, Charlottesville, Virginia; Surgical Outcomes Research Center, University of Virginia, Charlottesville, Virginia.
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Assessment of the Clinical Usefulness of Preoperative Computed Tomography in Colorectal Cancer Patients Who Received Unplanned Reoperation. Gastroenterol Res Pract 2020; 2020:6062414. [PMID: 32676105 PMCID: PMC7336223 DOI: 10.1155/2020/6062414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/31/2020] [Accepted: 06/16/2020] [Indexed: 11/17/2022] Open
Abstract
Background In the unplanned reoperation of colorectal cancer patients, computed tomography (CT) is increasingly utilized to locate postoperative complications and previously unlocalized lesions. The purpose of this study is to explore the application of CT in the mortality and complications of the reoperation of colorectal cancer. Patients and Methods. We performed a retrospective review of collected data from the colorectal surgeries of 90 identified colorectal cancer patients who received an unplanned reoperation from 2010 to 2018. Patients were stratified according to those with preoperative CT imaging (CT group, n = 36) and those without preoperative CT imaging (NCT group, n = 54). Twenty-four statistical indicators of each patient were studied, including their preoperative risk, surgical characteristics, and postoperative outcomes, and satisfaction was evaluated. All data were statistically analysed for predicting postoperative complications by univariate and multivariate logistic regression analyses. Results Ninety patients received an unplanned reoperation in the study, and 40% (36/90) of these patients underwent preoperative CT examination. Patients' risk factors were similar between CT and NCT groups. Preoperative imaging was more commonly performed for reoperative new anastomosis + ileostomy but less common for reoperative Dixon's procedure. The operative duration of the NCT group was longer (139 vs. 104 min, respectively, P = 0.01). Preoperative NCT examination (OR 1.24; 95% CI = 1.09-1.42; P = 0.01) was an independent predictor of postoperative complications. Importantly, three patients died after an unplanned reoperation for colorectal cancer, which occurred only in the NCT group (5.6% vs. 0.0%, P = 0.01). Conclusion The use of conventional preoperative CT optimizes the choice of the surgical site and the strategy of laparotomy, so as to reduce the length of operation. Preoperative imaging evaluation should be performed for patients undergoing repeat abdominal surgery.
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