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Tian BWCA, Agnoletti V, Ansaloni L, Coccolini F, Bravi F, Sartelli M, Vallicelli C, Catena F. Management of Intra-Abdominal Infections: The Role of Procalcitonin. Antibiotics (Basel) 2023; 12:1406. [PMID: 37760703 PMCID: PMC10525176 DOI: 10.3390/antibiotics12091406] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/20/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Patients with intra-abdominal sepsis suffer from significant mortality and morbidity. The main pillars of treatment for intra-abdominal infections are (1) source control and (2) early delivery of antibiotics. Antibiotic therapy should be started as soon as possible. However, the duration of antibiotics remains a matter of debate. Prolonged antibiotic delivery can lead to increased microbial resistance and the development of nosocomial infections. There has been much research on biomarkers and their ability to aid the decision on when to stop antibiotics. Some of these biomarkers include interleukins, C-reactive protein (CRP) and procalcitonin (PCT). PCT's value as a biomarker has been a focus area of research in recent years. Most studies use either a cut-off value of 0.50 ng/mL or an >80% reduction in PCT levels to determine when to stop antibiotics. This paper performs a literature review and provides a synthesized up-to-date global overview on the value of PCT in managing intra-abdominal infections.
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Affiliation(s)
- Brian W. C. A. Tian
- Department of General Surgery, Singapore General Hospital, Outram Road, Singapore 169608, Singapore;
| | - Vanni Agnoletti
- Anesthesia and Intensive Care Unit, M. Bufalini Hospital, 47521 Cesena, Italy
| | - Luca Ansaloni
- Department of Surgery, Pavia University Hospital, 27100 Pavia, Italy
| | - Federico Coccolini
- General, Emergency and Trauma Surgery Department, Pisa University Hospital, 56126 Pisa, Italy
| | | | - Massimo Sartelli
- Department of Surgery, Macerata Hospital, Via Santa Lucia 2, 62100 Macerata, Italy
| | - Carlo Vallicelli
- Department of Emergency and Trauma Surgery, M. Bufalini Hospital, 47521 Cesena, Italy
| | - Fausto Catena
- Department of Surgery, “Maurizio Bufalini” Hospital, 47521 Cesena, Italy
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Feng S, Li Z, Liu M, Ye Q, Xue T, Yan B. Postoperative serum interleukin-6 levels correlate with survival in stage I-III colorectal cancer. BMC Gastroenterol 2023; 23:156. [PMID: 37194025 DOI: 10.1186/s12876-023-02800-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/04/2023] [Indexed: 05/18/2023] Open
Abstract
AIMS The preoperative serum levels of inflammatory mediators, including C-reactive protein (CRP), procalcitonin (PCT) and interleukin-6 (IL-6), have been demonstrated to be correlated with patient outcomes in colorectal cancer (CRC); however, the prognostic role of these levels has been less well-studied in postoperative settings. MATERIALS AND METHODS A total of 122 stage I-III CRC patients were retrospectively enrolled. Serum levels of CRP, PCT and IL-6 were measured after surgery, and their prognostic value was evaluated. Kaplan-Meier analysis was used to determine the differences in disease-free survival (DFS) and overall survival (OS) between patients with different levels of these mediators, and the Cox proportional hazards model was used to estimate the risk factors. RESULTS In contrast to CRP and PCT, only the level of IL-6 was significant in predicting DFS (P = 0.01) but not OS (P = 0.07). A total of 66.39% (81/122) of patients were assigned to the low IL-6 group and no significant differences were found in the collected clinicopathological parameters among the low or high IL-6 subgroups. The level of IL-6 was negatively correlated with postoperative (1 w) (R=-0.24, P = 0.02) absolute lymphocyte counts. Patients with low levels of IL-6 had better DFS (log rank = 6.10, P = 0.01) but not OS (log rank = 2.28, P = 0.13). Finally, the level of IL-6 was an independent risk factor for DFS (HR: 1.81, 95% CI: 1.03-3.15, P = 0.04). CONCLUSIONS Compared to CRP and PCT, the level of IL-6 was observed to be the only significant factor in predicting the prognosis of stage I-III CRC patients after surgery, and a low level of IL-6 was associated with good DFS.
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Affiliation(s)
- Shouhan Feng
- Department of Oncology, Huzhou Traditional Chinese Medicine Hospital Affiliated to Zhejiang Chinese Medical University, Huzhou city of Zhejiang Province, 313000, P.R. China
| | - Zeshi Li
- Department of Critical Care Medicine, Hainan Hospital of PLA General Hospital, Sanya city of Hainan province, 572000, P.R. China
| | - Mei Liu
- Department of Tumor Chemotherapy, Haikou People's Hospital, Haikou city of Hainan province, 570208, P.R. China
| | - Qianwen Ye
- Department of Oncology, Hainan Hospital of PLA General Hospital, No. 80 of Jianglin Road, Haitang District of Sanya city, Hainan province, 572000, P.R. China
| | - Tianhui Xue
- Department of Oncology, Hainan Hospital of PLA General Hospital, No. 80 of Jianglin Road, Haitang District of Sanya city, Hainan province, 572000, P.R. China
| | - Bing Yan
- Department of Oncology, Hainan Hospital of PLA General Hospital, No. 80 of Jianglin Road, Haitang District of Sanya city, Hainan province, 572000, P.R. China.
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Jerome E, McPhail MJ, Menon K. Diagnostic accuracy of procalcitonin and interleukin-6 for postoperative infection in major gastrointestinal surgery: a systematic review and meta-analysis. Ann R Coll Surg Engl 2022; 104:561-570. [PMID: 36044921 PMCID: PMC9433179 DOI: 10.1308/rcsann.2022.0053] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/11/2022] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND We aim to assess the diagnostic accuracy of procalcitonin (PCT) and interleukin-6 (IL-6) as diagnostic biomarkers for postoperative infection/sepsis following major abdominal surgery. Postoperative infection is an important cause for morbidity and mortality in major surgery. Early diagnosis and antimicrobial treatment improves outcomes, and high-performing biomarkers could guide clinical decision making. METHODS A systematic database search was conducted for studies reporting diagnostic performance of biomarkers (including PCT and IL-6) for infection/sepsis following major abdominal surgery. Studies were assessed for reporting of diagnostic accuracy, relevance and quality. Data were extracted for meta-analysis. RESULTS Ten studies with 1,611 participants reported the diagnostic accuracy of PCT, with pooled sensitivity, specificity and summary receiver operator curve of 72% (95% CI 66-78), 62% (95% CI 59-64) and 0.766, respectively. Four studies with 175 participants reported the diagnostic accuracy of IL-6, with pooled sensitivity, specificity and summary receiver operator curve of 84% (95% CI 72-92), 76% (95% CI 68-84) and 0.878, respectively There was variability in the timing of sampling and cut-off values and significant heterogeneity and inconsistency between studies (I2 diagnostic odds ratio (DOR)= 43.2% for PCT, I2 DOR=0% for IL-6). CONCLUSIONS PCT performs only moderately well as a diagnostic test for postoperative infection/sepsis in major abdominal surgery, demonstrating limited sensitivity and specificity. Heterogeneity between studies is a limitation of the meta-analysis. There is an ongoing need for a rapid, accurate biomarker for postoperative infection or sepsis.
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Đeri J, Ćulum J, Aleksić Z, Šaran D, Rajić R. Procalcitonin is one of the predictive factors of dehiscence of the colorectal anastomosis. SCRIPTA MEDICA 2022. [DOI: 10.5937/scriptamed53-35544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Background/Aim: Dehiscence of the colorectal anastomosis is one of the most serious complications in digestive surgery that is still present in a large percentage today, which significantly increases the cost of treatment and can lead to death. Due to all the above, early detection of anastomotic dehiscence is very important, as well as the decision on surgical treatment. Procalcitonin (PCT) is thought to be an important marker of inflammation and sepsis. Aim of this paper was to confirm PCT as a marker of great sensitivity in early diagnosis of anastomotic leakage. Methods: The study included patients who underwent surgery for colorectal cancer in the period from 2016 to 2020. Patients were operated according to an elective protocol and with an open surgical approach. In patients, PCT values were measured on the 2nd and 4th postoperative day (POD) to determine the association between elevated PCT values and the onset of dehiscence of the colorectal anastomosis. Results: A study was conducted in 118 patients in whom a stapler colorectal anastomosis was created. Colorectal anastomosis dehiscence occurred in 10 patients. In 4 patients with dehiscence, no re-surgical intervention was required, but they were taken care of by conservative methods. Repeated surgery was performed in 6 patients. In all patients with dehiscence, there was a multiple increase in the value of PCT above normal. Conclusion: PCT has high sensitivity and specificity (85 and 74 % respectively) as a marker in dehiscence of colorectal anastomosis. In this study it was found that PCT values were significantly correlated with the dehiscence of anastomo-sis 2nd POD and especially 4th POD.
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Hara T, Kogure E, Iijima S, Fukawa Y, Kubo A, Kakuda W. Preoperative Walking Capacity Indirectly Relates to Decreased Postoperative Complications in Patients with Gastrointestinal Cancer. Prog Rehabil Med 2022; 7:20220002. [PMID: 35118212 PMCID: PMC8784540 DOI: 10.2490/prm.20220002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 12/28/2021] [Indexed: 02/03/2023] Open
Abstract
Objectives: Postoperative complications (PCs) in patients with gastrointestinal cancer (GIC) lead
to reduced lifespan and poor quality of life. The aim of this study was to investigate
the correlation between preoperative exercise-related factors, together with other
contributory factors, and the frequency of PCs in patients with GIC. Methods: This was a cross-sectional, three-institution study. We enrolled 299 patients who were
scheduled for elective surgery for GIC (182 men and 117 women; age, 65.7 ± 11.0 years).
PCs were graded using the Clavien–Dindo classification based on the medical records 1
month postoperatively. Exercise-related factors (the skeletal muscle index, the
isometric knee extension torque, and the 6-min walk test [6 MWT] distance) were measured
before surgery. Based on previous studies of factors contributing to complications, data
on age, sex, clinical cancer stage, comorbidities, neoadjuvant therapy, type of surgery,
surgery duration, blood loss, blood transfusion, laboratory data, respiratory function,
body mass index, and visceral fat area were collected. Results: The frequency of PCs was positively correlated with surgery duration (β=0.427) and
C-reactive protein (CRP) level on postoperative day 3 (β=0.189). The 6 MWT was
negatively correlated with the frequency of PCs through CRP level on postoperative day 3
(β=–0.035). This model demonstrated an acceptable fit to the data (goodness-of-fit
index, 0.979; adjusted goodness-of-fit index, 0.936; comparative fit index, 0.944; and
root mean square error of approximation, 0.076). Conclusions: Preoperative walking capacity was correlated with PCs in patients undergoing GIC
surgery. Prevention of PCs in patients with GIC requires the monitoring of both surgical
parameters and postoperative inflammation.
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Affiliation(s)
- Tsuyoshi Hara
- Department of Physical Therapy, School of Health Science, International University of Health and Welfare, Tochigi, Japan
| | - Eisuke Kogure
- Rehabilitation Progress Center Incorporated, Tokyo, Japan
| | - Shinno Iijima
- Division of Rehabilitation, International University of Health and Welfare Hospital, Tochigi, Japan
| | - Yasuhisa Fukawa
- Division of Rehabilitation, International University of Health and Welfare Ichikawa Hospital, Chiba, Japan
| | - Akira Kubo
- Department of Physical Therapy, School of Health Science, International University of Health and Welfare, Tochigi, Japan
| | - Wataru Kakuda
- Department of Rehabilitation Medicine, School of Medicine, International University of Health and Welfare, Chiba, Japan
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Cagigas Fernández C, Palazuelos C, Cristobal Poch L, Gomez Ruiz M. A probabilistic model for the prediction of intra-abdominal infection after colorectal surgery. Int J Colorectal Dis 2021; 36:2481-2488. [PMID: 34081170 DOI: 10.1007/s00384-021-03955-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/16/2021] [Indexed: 02/04/2023]
Abstract
AIM Predicting intra-abdominal infections (IAI) after colorectal surgery by means of clinical signs is challenging. A naïve logistic regression modeling approach has some limitations, for which reason we study two potential alternatives: the use of Bayesian networks, and that of logistic regression model. METHODS Data from patients that had undergone colorectal procedures between 2010 and 2017 were used. The dataset was split into two subsets: (i) that for training the models and (ii) that for testing them. The predictive ability of the models proposed was tested (i) by comparing the ROC curves from days 1 and 3 with all the subjects in the test set and (ii) by studying the evolution of the abovementioned predictive ability from day 1 to day 5. RESULTS In day 3, the predictive ability of the logistic regression model achieved an AUC of 0.812, 95% CI = (0.746, 0.877), whereas that of the Bayesian network was 0.768, 95% CI = (0.695, 0.840), with a p-value for their comparison of 0.097. The ability of the Bayesian network model to predict IAI does present significant difference in predictive ability from days 3 to 5: AUC(Day 3) = 0.761, 95% CI = (0.680, 0.841) and AUC(Day 5) = 0.837, 95% CI = (0.769, 0.904), with a p-value for their comparison of 0.006. CONCLUSIONS Whereas at postoperative day 3, a logistic regression model with imputed data should be used to predict IAI; at day 5, when the predictive ability is almost identical, the Bayesian network model should be used.
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Affiliation(s)
- Carmen Cagigas Fernández
- General Surgery Department, Marqués de Valdecilla University Hospital, 39008, Santander, Spain.,Valdecilla Biomedical Research Institute (IDIVAL), 39011, Santander, Spain
| | - Camilo Palazuelos
- Valdecilla Biomedical Research Institute (IDIVAL), 39011, Santander, Spain.,Department of Mathematics, Statistics, and Computing, University of Cantabria, 39011, Santander, Spain
| | - Lidia Cristobal Poch
- General Surgery Department, Marqués de Valdecilla University Hospital, 39008, Santander, Spain.,Valdecilla Biomedical Research Institute (IDIVAL), 39011, Santander, Spain
| | - Marcos Gomez Ruiz
- General Surgery Department, Marqués de Valdecilla University Hospital, 39008, Santander, Spain. .,Valdecilla Biomedical Research Institute (IDIVAL), 39011, Santander, Spain.
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Early diagnosis of anastomotic leakage in colorectal surgery: prospective observational study of the utility of inflammatory markers and determination of pathological levels. Updates Surg 2021; 73:2103-2111. [PMID: 34018141 DOI: 10.1007/s13304-021-01082-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 05/04/2021] [Indexed: 10/21/2022]
Abstract
Procalcitonin (PCT) and C-Reactive Protein (CRP) are acute-phase reactants that indicate the presence and severity of an infection. The aim of this study was to verify the utility of CRP and PCT as tools for early diagnosis of anastomotic leakage (AL) in patients undergoing elective colorectal surgery. A prospective observational study including 95 patients undergoing elective colorectal surgery with anastomosis, where patients were divided into two groups according to whether or not AL happened. Different variables were compared using a uni- and multivariate analyses to identify the risk factors for AL. Receiver Operating Characteristic (ROC) curves were added to establish a cut-off point for CRP and PCT. The inflammatory marker levels were analysed in other complications different from AL. AL was detected in 11 patients (14%), 7 required an emergency reoperation. The overall morbidity rate was 42.1% and the mortality was 3.2%. In the univariate study, increased CRP on days 3 and 5, male sex and intraoperative complications were significantly associated with AL. In the multivariate study, CRP on day 5 was the only factor related to AL. AUC at ROC curves showed that CRP results ≥ 15.3 mg/dL on day 3 and 9.1 mg/dL on day 5 were predictors of AL. Normal CRP and PCT values had a high negative predictive value. CRP on postoperative day 5 is a reliable marker for early detection of anastomotic leakage in colorectal surgery. Both CRP and PCT on days 3 and 5 have a high negative predictive value.Trial registration: The study has been registered at ClinicalTrials.gov. Code: NCT04632446.
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Saul D, Hünicke P, Böker KO, Spering C, Maheshwari AK, Acharya M, Lehmann W. Predicting the disaster - The role of CRP in acetabular surgery. Clin Biochem 2021; 94:48-55. [PMID: 33895126 DOI: 10.1016/j.clinbiochem.2021.04.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Acetabular fractures represent a complex surgical challenge. Given the heterogenous fracture pattern, the patient characteristics and spectrum of complications demand individual solutions. Surgical site infections (SSI) threaten osteosynthesis, and early detection of them and treatment remain crucial. What is the value of postoperative C-reactive protein (CRP) in this group of patients as well as its normal course? DESIGN & METHODS 115 patients with isolated fractures of the acetabulum were retrospectively evaluated. CRP, white blood cell count (WBC) and fracture patterns as well as patient characteristics were assessed for 20 days following operative fixation of the acetabular fracture (n = 71) and in fractures that were managed conservatively (n = 44). RESULTS Twelve patients suffered an infectious complication. With a one-phase decay, 70.55% of the variance of postoperative CRP kinetics was predicted. To anticipate maximum CRP as well as an infection, the preoperative CRP represented the best prognostic parameter. To predict an infection, the single variable "peak CRP value above 100 mg/l" resulted in a sensitivity and specificity of 91.67% and 36.21%, respectively. Combining a second peak of CRP with maximum CRP and day 5 CRP value for receiver-operating characteristic (ROC) analysis resulted in 83.3% and 88.1%, respectively. CONCLUSIONS Predicting surgical site infections after an acetabular fracture is most predictive when analyzing the maximum overall CRP, the second peak and the CRP after day 5. With a combination of these parameters, a sensitivity and specificity of 83.3% and 88.1% to detect an infection was achieved.
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Affiliation(s)
- D Saul
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Germany; Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA.
| | - P Hünicke
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Germany
| | - K O Böker
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Germany
| | - C Spering
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Germany
| | - A K Maheshwari
- Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
| | - M Acharya
- Trauma & Orthopaedics, Southmead Hospital, Bristol BS10 5NB, United Kingdom
| | - W Lehmann
- Department of Trauma, Orthopedics and Reconstructive Surgery, Georg-August-University of Goettingen, Germany
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Kubyshkin VA, Samokhodskaya LM, Korolev YM. THE ROLE OF MARKERS OF SYSTEMIC INFLAMMATORY RESPONSE IN THE POSTOPERATIVE PERIOD. REVIEW. SURGICAL PRACTICE 2021. [DOI: 10.38181/2223-2427-2021-1-30-38] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Despite all the achievements of modern surgery, the number of postoperative infectious complications in the world remains high. Their occurrence leads to a longer period of patients’ hospitalization, requires the use of additional medical and diagnostic measures, which ultimately leads to higher treatment costs and significant financial losses in the health care system. Therefore, it is important to identify postoperative complications at an early stage, even before the development of pronounced clinical symptoms, and to predict their possible development in a certain category of patients. For these purposes, scientists try to use various laboratory markers. In this paper, we analyzed both well-known indicators of the inflammatory response, such as: C-reactive protein, albumin, their ratio, procalcitonin and interleukin-6, and relatively new parameters that research teams are trying to apply for these purposes: neutrophil granularity intensity and neutrophil reactivity intensity, pancreatic stone protein and pancreatitis-associated protein. We tried to collect the most complete information available at the moment, evaluate the opinions of researchers, identify contradictions in their works and try to explain their cause. As a result, it turned out that even the markers of inflammation known for many years are not absolutely specific for postoperative infectious complications. We concluded that most of the laboratory parameters described in this article can be used to some extent in the early diagnosis of postoperative infectious complications, but if we want to obtain more complete information in this area of knowledge, it is necessary to conduct new largescale studies.
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Affiliation(s)
- V. A. Kubyshkin
- Federal State Budget Educational Institution of Higher Education M.V. Lomonosov Moscow State University, Faculty of Medicine (Lomonosov MSU)
| | - L. M. Samokhodskaya
- Federal State Budget Educational Institution of Higher Education M.V. Lomonosov Moscow State University, Faculty of Medicine (Lomonosov MSU); Medical Scientific Educational Centre, Lomonosov Moscow State University
| | - Yu. M. Korolev
- Federal State Budget Educational Institution of Higher Education M.V. Lomonosov Moscow State University, Faculty of Medicine (Lomonosov MSU)
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Post-operative procalcitonin and C-reactive protein predict pancreatic fistula after laparoscopic pancreatoduodenectomy. BMC Surg 2021; 21:171. [PMID: 33784995 PMCID: PMC8008693 DOI: 10.1186/s12893-021-01177-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 03/22/2021] [Indexed: 12/18/2022] Open
Abstract
Background Clinically relevant pancreatic fistula (CRPF) is a serious complication following laparoscopic pancreaticoduodenectomy (LPD). This study aimed to determine if C-reactive protein (CRP) and procalcitonin (PCT) serum levels could be used as early biomarkers to predict CRPF after LPD. Methods In this retrospective study, we collected peri-operative data of patients who underwent LPD between January 2019 and November 2019. We compared serum levels of white blood cells (WBC), CRP, and PCT on post-operative days (POD) 1, 2, 3, 5, and 7 between the CRPF and non-CRPF groups and analyzed the predictive risk factors for CRPF. Results Among the 186 patients included in this study, 18 patients (9.7%) developed CRPF, including 15 and 3 patients with grade B and C fistulas, respectively. The mean WBC, CRP, and PCT levels were higher on most PODs in the CRPF group compared to the non-CRPF group. Receiver operating characteristic (ROC) analysis indicated that CRP levels on POD 2, 5, and 7 can predict CRPF development after LPD, with the area under the curve (AUC) value reaching the highest level on POD 2 (AUC 0.794). PCT levels on POD 2, 3, 5, and 7 were highly predictive of CRPF after LPD. The highest AUC value was achieved on POD 3 [PCT > 2.10 ng/ml (AUC 0.951; sensitivity 88.2%, specificity 92.9%, P < 0.001)]. Conclusions Both CRP and PCT levels can be used to predict CRPF development after LPD, with PCT having a higher predictive value.
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Thapa B, Sutanto E, Bhandari R. Thickness of subcutaneous fat is a risk factor for incisional surgical site infection in acute appendicitis surgery: a prospective study. BMC Surg 2021; 21:6. [PMID: 33397364 PMCID: PMC7784256 DOI: 10.1186/s12893-020-01029-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/21/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Incisional surgical site infection (SSI) is a significant source of postoperative morbidity resulting in increased length of stay and cost. In this study, our aim was to evaluate the association between thickness of subcutaneous fat (TSF) and incisional SSI among patients undergoing open appendectomy in low-resource settings. METHODS 90 patients with acute uncomplicated appendicitis who underwent emergency open appendectomy from December 2017 to August 2018 were included in this prospective study. TSF was measured preoperatively using ultrasound. TSF and other possible predictors of incisional SSI, including body mass index and other clinical characteristics, were assessed by univariate and multivariable logistic regression analysis. Receiver operating characteristic (ROC) curve analysis evaluated the predictive value of TSF and the optimum cut-off value for TSF was determined using the Youden index. RESULTS The prevalence of incisional SSI was 13.3% (12/90). TSF was independently associated with incisional SSI (P < 0.001). Additionally, history of smoking (P = 0.048) was also associated with incisional SSI. A model of incisional SSI using a cut-off of 23.0 mm for TSF was moderately accurate (area under curve 0.83, confidence interval 0.70-0.97; sensitivity 83.3%; specificity 76.9%). CONCLUSIONS The study demonstrated that TSF, as evaluated by ultrasound, is a predictor in the development of incisional SSI in patients with acute appendicitis undergoing open appendectomy. These findings suggest that ultrasound is useful both for the evaluation of TSF and the prediction of incisional SSI risk factor in low-resource settings.
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Affiliation(s)
- Bikas Thapa
- Department of General and Gastrointestinal Surgery, Tribhuvan University Teaching Hospital, Institute of Medicine, Tribhuvan University, Maharajgung, Kathmandu, Nepal
| | - Edward Sutanto
- Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Raju Bhandari
- Department of General and Gastrointestinal Surgery, Tribhuvan University Teaching Hospital, Institute of Medicine, Tribhuvan University, Maharajgung, Kathmandu, Nepal.
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Grass F, Storlie CB, Mathis KL, Bergquist JR, Asai S, Boughey JC, Habermann EB, Etzioni DA, Cima RR. Challenges of Modeling Outcomes for Surgical Infections: A Word of Caution. Surg Infect (Larchmt) 2020; 22:523-531. [PMID: 33085571 DOI: 10.1089/sur.2020.208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background: We developed a novel analytic tool for colorectal deep organ/space surgical site infections (C-OSI) prediction utilizing both institutional and extra-institutional American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP) data. Methods: Elective colorectal resections (2006-2014) were included. The primary end point was C-OSI rate. A Bayesian-Probit regression model with multiple imputation (BPMI) via Dirichlet process handled missing data. The baseline model for comparison was a multivariable logistic regression model (generalized linear model; GLM) with indicator parameters for missing data and stepwise variable selection. Out-of-sample performance was evaluated with receiver operating characteristic (ROC) analysis of 10-fold cross-validated samples. Results: Among 2,376 resections, C-OSI rate was 4.6% (n = 108). The BPMI model identified (n = 57; 56% sensitivity) of these patients, when set at a threshold leading to 80% specificity (approximately a 20% false alarm rate). The BPMI model produced an area under the curve (AUC) = 0.78 via 10-fold cross- validation demonstrating high predictive accuracy. In contrast, the traditional GLM approach produced an AUC = 0.71 and a corresponding sensitivity of 0.47 at 80% specificity, both of which were statstically significant differences. In addition, when the model was built utilizing extra-institutional data via inclusion of all (non-Mayo Clinic) patients in ACS-NSQIP, C-OSI prediction was less accurate with AUC = 0.74 and sensitivity of 0.47 (i.e., a 19% relative performance decrease) when applied to patients at our institution. Conclusions: Although the statistical methodology associated with the BPMI model provides advantages over conventional handling of missing data, the tool should be built with data specific to the individual institution to optimize performance.
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Affiliation(s)
- Fabian Grass
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Kellie L Mathis
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - John R Bergquist
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota, USA.,Department of Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Shusaku Asai
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota, USA
| | - Judy C Boughey
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | | | - David A Etzioni
- Division of Colon and Rectal Surgery, Department of Surgery, Mayo Clinic, Scottsdale, Arizona, USA
| | - Robert R Cima
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Early detection of infectious complications using C-reactive protein and the procalcitonin levels after laparoscopic colorectal resection: a prospective cohort study. Surg Today 2020; 51:397-403. [PMID: 32785845 PMCID: PMC7892676 DOI: 10.1007/s00595-020-02111-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 07/23/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE The predictive values of the C-reactive protein (CRP) and procalcitonin (PCT) levels for postoperative infectious complications were investigated in patients who underwent elective laparoscopic resection of colorectal cancer. METHODS A total of 154 consecutive patients who underwent elective laparoscopic resection for colorectal cancer (CRC) were prospectively studied. The CRP and PCT levels on the first postoperative day (POD1) and the fourth postoperative day (POD4) were measured. Any correlations between the CRP and PCT levels on POD1 and POD4 with the occurrence of infectious complications were examined. RESULTS Infectious complications occurred in 18 (11.7%) patients. CRP on POD1 and CRP and PCT on POD4 were significantly higher in patients who developed infectious complications than in those who did not. The areas under the receiver operating characteristic curves of CRP on POD1 and CRP and PCT on POD4 were 0.597, 0.763 and 0.768, respectively. The cut-off values of CRP and PCT levels on POD4 were 14.33 mg/dl and 0,264 ng/ml, respectively. Whereas the positive predictive value of an elevated CRP level was high, the negative predictive value of an elevated PCT was high. CONCLUSION The CRP and PCT levels on POD4 are both considered to be useful for the early detection of infectious complications after laparoscopic resection of CRC.
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Iida H, Maehira H, Mori H, Tani M. Serum procalcitonin as a predictor of infectious complications after pancreaticoduodenectomy: review of the literature and our experience. Surg Today 2019; 50:87-96. [PMID: 30993454 DOI: 10.1007/s00595-019-01811-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 03/15/2019] [Indexed: 02/06/2023]
Abstract
Procalcitonin (PCT) is an early predictor of bacterial infection. We reviewed the literature and analyzed data on our own patients to assess the value of PCT as a predictor of infectious complications after pancreaticoduodenectomy (PD). The relevant literature published up until November 30, 2018, was reviewed, with no publication date restrictions. Letters to the editor and studies lacking necessary data were excluded. We also reviewed, retrospectively, the medical records of 77 patients who underwent PD between January, 2011 and April, 2016 at our hospital, to evaluate infectious complications and laboratory results on postoperative days (PODs) 1 and 3. Six studies were screened, and four cohort studies on patients undergoing PD were analyzed. One report examined preoperative PCT and C-reactive protein (CRP) levels, whereas the others examined only postoperative PCT and/or CRP levels. All reports demonstrated the usefulness of PCT as a predictor of postoperative infectious complications; however, no report concluded that PCT was a better predictor than CRP, except for the one report that examined preoperative PCT levels. Conversely, our experience demonstrated that the most significant factor predicting infectious complications was PCT on POD 3 (sensitivity, 0.87; specificity, 0.88). Thus, serum PCT could be a predictor of all complications, including infectious complications, after PD, but no advantage over CRP was identified.
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Affiliation(s)
- Hiroya Iida
- Department of Surgery, Shiga University of Medical Science, Seta Tsukinowa-Cho, Otsu, Shiga, 520-2192, Japan.
| | - Hiromitsu Maehira
- Department of Surgery, Shiga University of Medical Science, Seta Tsukinowa-Cho, Otsu, Shiga, 520-2192, Japan
| | - Haruki Mori
- Department of Surgery, Shiga University of Medical Science, Seta Tsukinowa-Cho, Otsu, Shiga, 520-2192, Japan
| | - Masaji Tani
- Department of Surgery, Shiga University of Medical Science, Seta Tsukinowa-Cho, Otsu, Shiga, 520-2192, Japan
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Use of inflammatory markers in the early detection of infectious complications after laparoscopic colorectal cancer surgery with the ERAS protocol. Wideochir Inne Tech Maloinwazyjne 2018; 13:315-325. [PMID: 30302144 PMCID: PMC6174169 DOI: 10.5114/wiitm.2018.75846] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 02/18/2018] [Indexed: 01/26/2023] Open
Abstract
Introduction Thanks to laparoscopy and enhanced recovery protocols (ERAS) it is possible to shorten hospitalization. Therefore, it seems reasonable to search for new early markers of infectious complications in order to select patients who are prone to development of complications. Aim To assess the usefulness of serum levels of C-reactive protein, interleukin-6 and procalcitonin as early indicators of infectious complications in patients after laparoscopic colorectal surgery with ERAS. Material and methods The prospective analysis included consecutive patients who underwent laparoscopic colorectal cancer resection. The following parameters were included in the analysis: C-reactive protein (CRP), interleukin 6 (IL-6) and procalcitonin measured on postoperative days (PODs) 1, 2, 3. Patients were divided into two groups: uncomplicated (group 1) and complicated (group 2). The difference in levels of the markers and the dynamics of changes observed in both groups were analyzed. Results Group 1 comprised 34 patients, and group 2 consisted of 17 patients. A significant increase of both absolute values and delta increments on all postoperative days was noted. ROC curve analysis showed that the best cut-off values indicating an infectious process were: CRP 129 mg/l on POD3 (92% sensitivity/80% specificity), IL-6 of 78 pg/ml on POD2 (91% sensitivity/97% specificity) and PCT 0.24 ng/ml on POD3 (93% sensitivity/68% specificity). Conclusions Our study showed that regular measurement of all analyzed markers in the early postoperative days may be beneficial in the detection of postoperative infectious complications. Further studies are needed to fully assess the role of routine biochemical measurements in the postoperative period after laparoscopic surgery with the ERAS protocol.
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Abstract
ObjectiveDiverting ileostomy (DI) has been proposed to reduce the incidence and consequences anastomotic leakage after bowel resection. In colorectal cancer treatment, ghost ileostomy (GI) has been proposed as an alternative to DI. Our objective was to report the results of GI associated with colorectal resection in the treatment of ovarian cancer.Materials and MethodsThis is an observational pilot study performed in a single institution. The main objective sought was to report the results of GI associated with colorectal resection in the treatment of ovarian cancer: 26 patients were included.ResultsModified posterior exenteration was performed in 24 cases (92.3%) and rectum resection in the 2 cases of relapse (7.7%). After the main procedure GI was created, to check up the anastomosis status, a sequential postoperative rectoscopy was performed on postoperative day 5 ± 1 (range, 4–7). Serum levels were monitored in first and third postoperative days just with a descriptive intention to establish its relationship with the rectoscopy findings. In 2 cases, rectoscopy demonstrated a leakage. During postoperative course, no other complication related with the GI or DI was observed. No case of clinical anastomotic leakage was found.ConclusionsTo the extent of our knowledge, this is the first study in which GI has been performed for the treatment of patients with ovarian cancer. Ghost ileostomy represents a real option that may reduce the number of ileostomies performed in ovarian cancer without increasing the morbimortality. Ghost ileostomy presents the advantages of DI while avoiding its drawbacks. It also seems to be a safe, feasible, and reproducible technique that does not add significant costs to the surgery.
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Wierdak M, Pisarska M, Kuśnierz-Cabala B, Witowski J, Major P, Ceranowicz P, Budzyński A, Pędziwiatr M. Serum Amyloid A as an Early Marker of Infectious Complications after Laparoscopic Surgery for Colorectal Cancer. Surg Infect (Larchmt) 2018; 19:622-628. [DOI: 10.1089/sur.2018.105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Mateusz Wierdak
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Magdalena Pisarska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Beata Kuśnierz-Cabala
- Department of Diagnostics, Chair of Clinical Biochemistry, Jagiellonian University Medical College, Kraków, Poland
| | - Jan Witowski
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Piotr Major
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Piotr Ceranowicz
- Department of Physiology, Jagiellonian University Medical College, Kraków, Poland
| | - Andrzej Budzyński
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Michał Pędziwiatr
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
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Goulart A, Ferreira C, Estrada A, Nogueira F, Martins S, Mesquita-Rodrigues A, Sousa N, Leão P. Early Inflammatory Biomarkers as Predictive Factors for Freedom from Infection after Colorectal Cancer Surgery: A Prospective Cohort Study. Surg Infect (Larchmt) 2018; 19:446-450. [PMID: 29624484 DOI: 10.1089/sur.2017.294] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
PURPOSE Different biomarkers are useful in diagnosing infections. The aim of this work was to clarify the relation between different inflammatory biomarkers (white blood cell [WBC] count, C-reactive protein [CRP], procalcitonin [PCT], and C-reactive protein-to-albumin ratio [CAR]) and early infectious complications after colorectal surgery. METHODS This prospective single-center cohort study included 130 patients undergoing elective colorectal surgery. The WBC count, CRP, and PCT were measured at post-operative day one (POD1) and POD3 and albumin on POD3. RESULTS Patients with surgical site infections (SSI) exhibited significantly higher CRP concentrations on POD1 and CRP and CAR on POD3 than did patients without SSI. According to receiver operating characteristic analysis, the CRP concentration on POD1 and the CRP and CAR on POD3 showed the highest area under the curve (AUC) for predicting SSI (AUC 0.639, 0.736, and 0.729, respectively). Multivariable logistic regression analysis showed that CRP on POD1 and CRP and CAR on POD3 were independent predictors of SSI (odds ratio 7.355, 7.605, and 8.337, respectively). CONCLUSIONS The CRP concentration on PO1 and CRP and CAR on POD3 can positively identify patients at low risk of SSI. They can be used as a prognostic tool to predict an uneventful post-operative period and therefore have been incorporate into our discharge criteria after elective colorectal resection, improving clinical decision-making.
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Affiliation(s)
- André Goulart
- 1 Departments of General Surgery, Hospital de Braga , Braga, Portugal .,2 Life and Health Science Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
| | - Carla Ferreira
- 2 Life and Health Science Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
| | | | - Fernanda Nogueira
- 1 Departments of General Surgery, Hospital de Braga , Braga, Portugal
| | - Sandra Martins
- 1 Departments of General Surgery, Hospital de Braga , Braga, Portugal .,2 Life and Health Science Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
| | | | - Nuno Sousa
- 2 Life and Health Science Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
| | - Pedro Leão
- 1 Departments of General Surgery, Hospital de Braga , Braga, Portugal .,2 Life and Health Science Research Institute (ICVS), School of Medicine, University of Minho , Braga, Portugal
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Muñoz JL, Alvarez MO, Cuquerella V, Miranda E, Picó C, Flores R, Resalt-Pereira M, Moya P, Pérez A, Arroyo A. Procalcitonin and C-reactive protein as early markers of anastomotic leak after laparoscopic colorectal surgery within an enhanced recovery after surgery (ERAS) program. Surg Endosc 2018. [PMID: 29520440 DOI: 10.1007/s00464-018-6144-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND C-reactive protein (CRP) and procalcitonin (PCT) have been described as good predictors of anastomotic leak after colorectal surgery, obtaining the highest diagnostic accuracy on the 5th postoperative day. However, if an enhanced recovery after surgery (ERAS) program is performed, early predictors are needed in order to ensure a safe and early discharge. The aim of this study was to investigate the efficacy of CRP, PCT, and white blood cell (WBC) count determined on first postoperative days, in predicting septic complications, especially anastomotic leak, after laparoscopic colorectal surgery performed within an ERAS program. METHODS We conducted a prospective study including 134 patients who underwent laparoscopic colorectal surgery within an ERAS program between 2015 and 2017. The primary endpoint investigated was anastomotic leak. CRP, PCT, and WBC count were determined in the blood sample extracted on postoperative day 1 (POD 1), POD 2 and POD 3. RESULTS Anastomotic leak (AL) was detected in 6 patients (4.5%). Serum levels of CRP and PCT, but not WBC, determined on POD 1, POD 2, and POD 3 were significantly higher in patients who had AL in the postoperative course. Using ROC analysis, the best AUC of the CRP and PCT levels was on POD 3 (0.837 and 0.947, respectively). A CRP cutoff level at 163 mg/l yielded 85% sensitivity, 80% specificity, and 99% negative predictive value (NPV). A PCT cutoff level at 2.5 ng/ml achieved 85% sensitivity, 95% specificity, 44% positive predictive value, and 99% NPV. CONCLUSIONS CRP and PCT are relevant markers for detecting postoperative AL after laparoscopic colorectal surgery. Furthermore, they can ensure an early discharge with a low probability of AL when an ERAS program is performed.
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Affiliation(s)
- José Luis Muñoz
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain.
| | | | - Vicent Cuquerella
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Elena Miranda
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Carlos Picó
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Raquel Flores
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Marta Resalt-Pereira
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Pedro Moya
- Department of Surgery, General University Hospital Elche, Alicante, Spain
| | - Ana Pérez
- Department of Anaesthesia, General University Hospital Elche, Camí de l´Almazara 11, CP 03203, Elche, Alicante, Spain
| | - Antonio Arroyo
- Department of Surgery, General University Hospital Elche, Alicante, Spain
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Systemic Inflammatory Cytokines Predict the Infectious Complications but Not Prolonged Postoperative Ileus after Colorectal Surgery. Mediators Inflamm 2018; 2018:7141342. [PMID: 29692682 PMCID: PMC5859856 DOI: 10.1155/2018/7141342] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 12/13/2017] [Accepted: 12/20/2017] [Indexed: 12/17/2022] Open
Abstract
Aim Postoperative ileus (POI) is common after surgery. Animal studies indicate that the POI mechanism involves an inflammatory response, which is also activated during postoperative complications. This study aimed to determine whether inflammatory biomarkers might facilitate an early detection of prolonged POI (PPOI) or infectious complications. Methods Forty-seven adult patients who underwent oncological colorectal surgery were included. They filled out a perioperative diary to report their gastrointestinal symptoms. Blood samples were collected preoperatively, and on postoperative day (POD) 1 and 3. Levels of leucocytes, C-reactive protein (CRP), interleukin (IL)-6, TNF-α, and IL-1β were analyzed. Results Patients with PPOI had significantly longer stay in hospital than patients without (13.6 ± 10.5 versus 7.4 ± 3.2 days, p < 0.001); they also had higher levels of IL-6 ratios, leucocytes, and CRP levels, but did not reach significance. Higher levels of postoperative IL-6 and CRP levels (p < 0.05, resp.) were found in patients with infectious complications. The receiver operating characteristic (ROC) analysis found better diagnostic values of IL-6 ratio on both POD 1 and 3 than that of CRP (POD 1: ROC 0.825, p < 0.001). Conclusion Blood levels of inflammatory cytokines cannot predict PPOI after colorectal surgery. Instead, postoperative IL-6 changes may predict the infectious complications with a better diagnostic value than the current leukocytes or CRP tests.
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Systematic review and meta-analysis of the use of serum procalcitonin levels to predict intra-abdominal infections after colorectal surgery. Int J Colorectal Dis 2018; 33:171-180. [PMID: 29305753 DOI: 10.1007/s00384-017-2956-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/27/2017] [Indexed: 02/04/2023]
Abstract
PURPOSE There has been much recent interest in the use of procalcitonin (PCT) as a marker of intra-abdominal infection (IAI) following colorectal surgery. However, the literature remains divided on the value of PCT in this setting. This meta-analysis aims to evaluate the value of PCT in predicting IAI after colorectal surgery. METHODS Systemic literature search was performed using MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials (CENTRAL) and the Cochrane Database of Systematic Reviews to identify studies evaluating the diagnostic accuracy of PCT as a predictor for detecting IAI on postoperative days (POD) 3 to 5 following colorectal surgery. A meta-analysis was performed using random effect model and pooled predictive parameters as well as cut-off values for POD 3 to 5 were derived. RESULTS Eight studies consisting 1629 patients were included. The pooled prevalence of IAI was 5.7% on POD 3, 9.7% on POD 4, and 6.3% on POD 5. The pooled AUC for POD 3 to 5 were 0.83 (95% CI 0.78-0.88), 0.79 (95% CI 0.64-0.93), and 0.94 (95% CI 0.91-0.97), respectively. The derived PCT cut-off values were 1.45 ng/ml on POD 3, 1.28 ng/ml on POD 4, and 1.26 ng/ml on POD 5. PCT had the highest diagnostic capability on POD 5 with diagnostic odds ratio of 32.9 (95% CI 15.01-69.88), sensitivity of 0.78 (95% CI 0.65-0.89), and specificity of 0.88 (95% CI 0.85-0.90). CONCLUSIONS PCT is a useful diagnostic predictor of IAI after colorectal surgery. It has the greatest diagnostic accuracy on POD 5 and can help guide safe discharge of patients after colorectal surgery.
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Parli SE, Trivedi G, Woodworth A, Chang PK. Procalcitonin: Usefulness in Acute Care Surgery and Trauma. Surg Infect (Larchmt) 2018; 19:131-136. [PMID: 29356604 DOI: 10.1089/sur.2017.307] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Procalcitonin (PCT) is a serum biomarker currently suggested by the Surviving Sepsis Campaign to aid in determination of the appropriate duration of therapy in sepsis patients. We review the use of procalcitonin in patients after trauma or acute care surgery. METHOD A MEDLINE search via PubMed was performed using the combination of "procalcitonin" and "humans" and "injuries, trauma," "wounds and injuries," or "wounds." Studies of burn patients, children, other biomarkers, and non-acute care surgery were excluded. RESULTS Procalcitonin may be useful in identifying infection in trauma and post-operative acute care surgery. However, heterogenity exists among patients, and surgery and trauma alone elevate PCT even in the absence of infection. CONCLUSIONS Although trends in PCT concentrations may offer insight, no standard approach can be recommended currently.
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Affiliation(s)
- Sara E Parli
- 1 Department of Pharmacy Services, University of Kentucky HealthCare , Lexington, Kentucky
- 2 Department of Pharmacy Practice and Science, University of Kentucky College of Pharmacy , Lexington, Kentucky
| | - Grishma Trivedi
- 4 Department of General Surgery, University of Kentucky College of Medicine , Lexington, Kentucky
| | - Alison Woodworth
- 3 Department of Pathology and Laboratory Medicine, University of Kentucky College of Medicine , Lexington, Kentucky
| | - Phillip K Chang
- 4 Department of General Surgery, University of Kentucky College of Medicine , Lexington, Kentucky
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Procalcitonin and C-reactive protein as early markers of postoperative intra-abdominal infection in patients operated on colorectal cancer. Int J Colorectal Dis 2017; 32:1771-1774. [PMID: 28918433 DOI: 10.1007/s00384-017-2902-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/08/2017] [Indexed: 02/07/2023]
Abstract
PURPOSE The aim of this study was to evaluate the accuracy of serum procalcitonin (PCT) and C-reactive protein (CRP) for early diagnosis of postoperative intra-abdominal infections (PIAI) after elective surgery for colorectal cancer. METHODS Prospective observational study including patients operated on for colorectal cancer between January and December of 2015 was performed. Serum PCT and CRP levels were measured before surgery and daily until postoperative day 3. RESULTS One hundred twenty patients were included. Seven patients (5.8%) had PIAI. PCT levels were significantly higher in patients with PIAI on postoperative days 1 and 3, whereas CRP levels only were significantly more elevated on postoperative day 3. The ratio between CRP levels on postoperative day 3 and CRP levels on postoperative days 2 (CRP D3/CRP D2) and 1 (CRP D3/CRP D1) was significantly higher in patients with PIAI. PCT on postoperative day 3, for a cutoff of 0.45 ng/mL, had the best sensitivity (100%) with a specificity of 73.8%. The ratio CRP D3/CRP D1 yielded the higher specificity and positive predictive value (90.9 and 27.3%, respectively, for a cutoff of 1.8). The higher negative predictive value was obtained for PCT on postoperative days 1 and 3 (100%, with cutoff of 0.76 and 0.45 ng/mL, respectively) and for CRP on postoperative day 3 (100% with cutoff of 10 mg/dL). CONCLUSION PCT and CRP serum levels are associated with the appearance of PIAI after colorectal cancer surgery, although the positive predictive values were low for both PCT and CRP. However, the negative predictive values were high.
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Zielińska-Borkowska U, Dib N, Tarnowski W, Skirecki T. Monitoring of procalcitonin but not interleukin-6 is useful for the early prediction of anastomotic leakage after colorectal surgery. Clin Chem Lab Med 2017; 55:1053-1059. [PMID: 27930362 DOI: 10.1515/cclm-2016-0736] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 11/01/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Early recognition of patients who have developed anastomotic leakage (AL) after colorectal surgery is crucial for the successful treatment of this complication. The aim of this study was to assess the usefulness of the assessment of procalcitonin (PCT) and interleukin-6 (IL-6) levels in the prognosis of AL. METHODS This observational study included 157 patients who underwent major elective colorectal surgery. The most common indications for surgery were cancer and inflammatory bowel diseases. Serum samples were obtained directly before surgery (D0) and 1 day (D1) after surgery, and the relationships between the serum concentrations of PCT and IL-6 and development of AL were assessed. RESULTS In total, 10.2% of patients developed post-surgical infections due to AL. PCT levels on D1 were significantly higher in patients who developed AL [2.73 (1.40-4.62)] than in those who recovered without complications [0.2 (0.09-0.44)]. The area under the ROC curve for PCT on D1 was 0.94, 95% CI (0.89-0.98). The sensitivity and specificity of the prediction of an infection were 87% and 87%, respectively, for PCT on D1, which was higher than 1.09 ng/mL. The increase in PCT concentration between D0 and D1 was significantly higher in patients with AL (p<0.001). Patients who developed AL had higher concentrations of IL-6 on D1, but the difference was not significant (p=0.28). CONCLUSIONS This study confirms that surgical trauma increases serum PCT concentrations and that the concentration of PCT on D1 can predict AL after colorectal surgery. However, IL-6 is not a good early marker for developing AL.
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Gao Y, Yu KJ, Kang K, Liu HT, Zhang X, Huang R, Qu JD, Wang SC, Liu RJ, Liu YS, Wang HL. Procalcitionin as a diagnostic marker to distinguish upper and lower gastrointestinal perforation. World J Gastroenterol 2017; 23:4422-4427. [PMID: 28706425 PMCID: PMC5487506 DOI: 10.3748/wjg.v23.i24.4422] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/19/2017] [Accepted: 05/19/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To assess the accuracy of serum procalcitionin (PCT) as a diagnostic marker in verifying upper and lower gastrointestinal perforation (GIP).
METHODS This retrospective study included 46 patients from the surgical intensive care unit (ICU) of the Second Affiliated Hospital of Harbin Medical University who were confirmed to have GIP between June 2013 and December 2016. Demographic and clinical patient data were recorded on admission to ICU. Patients were divided into upper (n = 19) and lower (n = 27) GIP groups according to the perforation site (above or below Treitz ligament). PCT and WBC count was obtained before laparotomy and then compared between groups. Meanwhile, the diagnostic accuracy of PCT was analyzed.
RESULTS Patients with lower GIP exhibited significantly higher APACHE II score, SOFA score and serum PCT level than patients with upper GIP (P = 0.017, 0.004, and 0.001, respectively). There was a significant positive correlation between serum PCT level and APACHE II score or SOFA score (r = 0.715 and r = 0.611, respectively), while there was a significant negative correlation between serum PCT level and prognosis (r = -0.414). WBC count was not significantly different between the two groups, and WBC count showed no significant correlation with serum PCT level, APACHE II score, SOFA score or prognosis. The area under the receiver operating characteristic curve of PCT level to distinguish upper or lower GIP was 0.778. Patients with a serum PCT level above 17.94 ng/dL had a high likelihood of lower GIP, with a sensitivity of 100% and a specificity of 42.1%.
CONCLUSION Serum PCT level is a reliable and accurate diagnostic marker in identifying upper or lower GIP before laparotomy.
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Povsic MK, Beovic B, Ihan A. Perioperative Increase in Neutrophil CD64 Expression is an Indicator for Intra-abdominal Infection after Colorectal Cancer Surgery. Radiol Oncol 2017; 51:211-220. [PMID: 28740457 PMCID: PMC5514662 DOI: 10.1515/raon-2016-0016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Accepted: 01/30/2016] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Colorectal surgery is associated with a high incidence of postoperative infections. Early clinical signs are difficult to distinguish from the systemic inflammatory response related to surgical trauma. Timely diagnosis may significantly improve the outcome. The objective of this study was to compare a new biomarker index CD64 for neutrophils (iCD64n) with standard biomarkers, white blood cell (WBC) count, neutrophil/lymphocyte ratio (NLR), C-reactive protein (CRP) and procalcitonin (PCT) for the early detection of postoperative infection. METHODS The prospective study included 200 consecutive patients with elective colorectal cancer surgery. Postoperative values of biomarkers from the postoperative day (POD) 1 to POD5 were analysed by the receiver operating characteristic (ROC) analysis to predict infection. The Cox regression model and the Kaplan-Meier method were used to assess prognostic factors and survival. RESULTS The increase of index CD64n (iCD64n) after surgery, expressed as the ratio iCD64n after/before surgery was a better predictor of infection than its absolute value. The best 30-day predictors of all infections were CRP on POD4 (AUC 0.72, 99% CI 0.61-0.83) and NLR on POD5 (AUC 0.69, 99% CI 0.57-0.80). The best 15-day predictors of organ/space surgical site infection (SSI) were the ratio iCD64n on POD1 (AUC 0.72, 99% CI 0.58-0.86), POD3 (AUC 0.73, 99% CI 0.59-0.87) and CRP on POD3 (AUC 0.72, 99% CI 0.57-0.86), POD4 (AUC 0.79, 99% CI 0.64-0.93). In a multivariate analysis independent risk factors for infections were duration of surgery and perioperative transfusion while the infection itself was identified as a risk factor for a worse long-term survival. CONCLUSIONS The ratio iCD64n on POD1 is the best early predictor of intra-abdominal infection after colorectal cancer surgery. CRP predicts the infection with the same predictive value on POD3.
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Affiliation(s)
| | - Bojana Beovic
- Clinic for Infectious Diseases and Febrile Illnesses, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Alojz Ihan
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Diagnostic Accuracy of Procalcitonin and C-reactive Protein for the Early Diagnosis of Intra-abdominal Infection After Elective Colorectal Surgery: A Meta-analysis. Ann Surg 2017; 264:252-6. [PMID: 27049766 DOI: 10.1097/sla.0000000000001545] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Intra-abdominal infections (IAIs) after elective colorectal surgery impact significantly the short- and long-term outcomes. In the era of fast-track surgery, they often come to light after discharge from hospital. Early diagnosis is therefore essential. C-reactive protein levels have proved to be accurate in this setting. Procalcitonin has been evaluated in several studies with conflicting results. This meta-analysis aimed to compare the predictive abilities of C-reactive protein and procalcitonin in the occurrence of IAIs after elective colorectal surgery. METHODS This meta-analysis included studies analyzing C-reactive protein and/or procalcitonin levels at postoperative days 2, 3, 4, and/or 5 as markers of intra-abdominal infection after elective colorectal surgery. Methodological quality was assessed by the QUADAS2 tool. The area under the curve summary receiver-operating characteristic was calculated for each day and each biomarker, using a random-effects model in cases of heterogeneity. RESULTS The meta-analysis included 11 studies (2692 patients). An IAI occurred in 8.9% of the patients. On postoperative day 3, area under the curve was 0.80 (95% CI, 0.76-0.85) for C-reactive protein and 0.78 (95% CI, 0.68-0.87) for procalcitonin. On postoperative day 5, their predictive accuracies were 0.87 (95% CI, 0.80-0.93) and 0.90 (95% CI, 0.82-0.98), respectively. The accuracy of C-reactive protein and procalcitonin did not differ at any postoperative day. CONCLUSIONS Levels of inflammatory markers under the cutoff value between postoperative days 3 and 5 ensure safe early discharge after elective colorectal surgery. Procalcitonin seems not to have added value as compared to C-reactive protein in this setting.
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Abu Elyazed MM, El Sayed Zaki M. Value of procalcitonin as a biomarker for postoperative hospital-acquired pneumonia after abdominal surgery. Korean J Anesthesiol 2017; 70:177-183. [PMID: 28367288 PMCID: PMC5370307 DOI: 10.4097/kjae.2017.70.2.177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 11/25/2016] [Accepted: 11/25/2016] [Indexed: 11/12/2022] Open
Abstract
Background Hospital-acquired pneumonia (HAP) is a common complication after abdominal surgery. The aim of this study was to evaluate the role of procalcitonin (PCT) and C-reactive protein (CRP) as early biomarkers for the diagnosis of postoperative HAP after abdominal surgery. Methods This study was conducted on 100 patients undergoing abdominal surgery. White blood cell counts, highest body temperature, and serum levels of CRP and PCT were recorded preoperatively and daily postoperatively until postoperative day (POD) 5. Chest radiography was performed preoperatively and daily postoperatively until POD 5. Results HAP was diagnosed in 14% of patients. Regarding the biomarkers studied after POD 1, CRP and PCT were significantly higher in patients with HAP than in those without HAP (P < 0.05). On POD 2, PCT had higher sensitivity and specificity (84% and 72%, respectively) than those for CPR (70% and 60%, respectively). The cut-off value of PCT on POD 2 was 1.4 ng/ml. On POD 3, 4, and 5, the sensitivity and specificity of PCT and CRP were not significantly different. Conclusions PCT and CRP are accurate biomarkers for early prediction of postoperative HAP after abdominal surgery. The diagnostic ability of PCT was significantly better than that of CRP on POD 2. After POD 2, the diagnostic ability was not significantly different between the biomarkers.
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Affiliation(s)
- Mohamed M Abu Elyazed
- Department of Anesthesia and Surgical ICU, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Maysaa El Sayed Zaki
- Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Ren H, Ren J, Hu Q, Wang G, Gu G, Li G, Wu X, Hong Z, Li J. Prediction of procalcitonin for postoperative intraabdominal infections after definitive operation of intestinal fistulae. J Surg Res 2016; 206:280-285. [PMID: 27884320 DOI: 10.1016/j.jss.2016.08.055] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 08/07/2016] [Accepted: 08/11/2016] [Indexed: 12/25/2022]
Abstract
BACKGROUND Inflammatory biomarkers usually start to rise earlier before the infection becomes clinically evident. This study was designed to evaluate the predictive performance of procalcitonin (PCT), C-reactive protein (CRP), and white blood cell (WBC) counts in postoperative intraabdominal infections (IAIs) after definitive operation of intestinal fistulae. MATERIAL AND METHODS We prospectively enrolled a total of 356 consecutive patients who underwent elective digestive tract reconstruction for gastrointestinal fistulae without existing clinical infection. Plasma PCT levels, serum CRP concentration, and WBC counts were assessed preoperatively and on postoperative days (PODs) 1, 3, 5, and 7. The predictive value of each laboratory marker for IAIs was calculated. RESULTS The occurrence rate of IAIs after elective digestive tract reconstruction for gastrointestinal fistulae in our study was 7.3%. Both PCT levels and WBC counts were significantly higher in patients with IAIs than those in patients without IAIs on POD 1, POD 3, and POD 5, whereas CRP levels differed significantly on POD 3 and POD 5. Receiver-operating characteristics demonstrated that PCT on POD 3 had the highest diagnostic accuracy for IAIs, and the area under the curve reached 0.86, with a sensitivity of 92.0% and specificity of 74.0%. CONCLUSIONS The value of PCT above 0.98 ng/L on POD 3 and 0.83 ng/L on POD 5 could predict the occurrence of IAIs after definitive operations for intestinal fistulae.
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Affiliation(s)
- Huajian Ren
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jianan Ren
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Surgery, Medical School of Southeast University, Nanjing, Jiangsu, China; Department of Surgery, Medical School of Nanjing University, Nanjing, Jiangsu, China.
| | - Qiongyuan Hu
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Surgery, Medical School of Southeast University, Nanjing, Jiangsu, China
| | - Gefei Wang
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Surgery, Medical School of Southeast University, Nanjing, Jiangsu, China; Department of Surgery, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Guosheng Gu
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Guanwei Li
- Department of Surgery, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Xiuwen Wu
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zhiwu Hong
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jieshou Li
- Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
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Abstract
OBJECTIVES We designed a multicentric, observational study to test if Procalcitonin (PCT) might be an early and reliable marker of anastomotic leak (AL) after colorectal surgery (ClinicalTrials.govIdentifier:NCT01817647). BACKGROUND Procalcitonin is a biomarker used to monitor bacterial infections and guide antibiotic therapy. Anastomotic leak after colorectal surgery is a severe complication associated with relevant short and long-term sequelae. METHODS Between January 2013 and September 2014, 504 patients underwent colorectal surgery, for malignant colorectal diseases, in elective setting. White blood count (WBC), C-reactive protein (CRP) and PCT levels were measured in 3rd and 5th postoperative day (POD). AL and all postoperative complications were recorded. RESULTS We registered 28 (5.6%) anastomotic leaks. Specificity and negative predictive value for AL with PCT less than 2.7 and 2.3 ng/mL were, respectively, 91.7% and 96.9% in 3rd POD and 93% and 98.3% in 5th POD. Receiver operating characteristic curve for biomarkers shows that in 3rd POD, PCT and CRP have similar area under the curve (AUC) (0.775 vs 0.772), both better than WBC (0.601); in 5th POD, PCT has a better AUC than CRP and WBC (0.862 vs 0.806 vs 0.611). Measuring together PCT and CRP significantly improves AL diagnosis in 5th POD (AUC: 0.901). CONCLUSIONS PCT and CRP demonstrated to have a good negative predictive value for AL, both in 3rd and in 5th POD. Low levels of PCT, together with low CRP values, seem to be early and reliable markers of AL after colorectal surgery. These biomarkers might be safely added as additional criteria of discharge protocols after colorectal surgery.
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Diagnostic Accuracy of Inflammatory Markers As Early Predictors of Infection After Elective Colorectal Surgery: Results From the IMACORS Study. Ann Surg 2016; 263:961-6. [PMID: 26135691 DOI: 10.1097/sla.0000000000001303] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Intra-abdominal infections are frequent and life-threatening complications after colorectal surgery. An early detection could diminish their clinical impact and permit safe early discharge. OBJECTIVE This study aimed to find the most accurate marker for the detection of postoperative intra-abdominal infection and the appropriate moment to measure it. METHODS A prospective, observational study was conducted in 3 centers. Consecutive patients undergoing elective colorectal surgery with anastomosis were included. C-reactive protein and procalcitonin were measured daily until the fourth postoperative day. Postoperative infections were recorded according to the definitions of the Centres for Diseases Control. The areas under the receiver operating characteristic curve were analyzed and compared to assess the diagnostic accuracy of each marker. RESULTS Five-hundred and one patients were analyzed. The incidence of intra-abdominal infection was 11.8%, with 24.6% of patients presenting at least one infectious complication. Overall mortality was 1.2%. At the fourth postoperative day, C-reactive protein was more discriminating than procalcitonin for the detection of intra-abdominal infection (areas under the ROC curve: 0.775 vs 0.689, respectively, P = 0.03). Procalcitonin levels showed wide dispersion. For the detection of all infectious complications, C-reactive protein was also significantly more accurate than procalcitonin on the fourth postoperative day (areas under the ROC curve: 0.783 vs 0.671, P = 0.0002). CONCLUSIONS C-reactive protein is more accurate than procalcitonin for the detection of infectious complications and should be systematically measured at the fourth postoperative day. It is a useful tool to ensure a safe early discharge after elective colorectal surgery.
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Kerin Povšič M, Ihan A, Beovič B. Post-Operative Infection Is an Independent Risk Factor for Worse Long-Term Survival after Colorectal Cancer Surgery. Surg Infect (Larchmt) 2016; 17:700-712. [PMID: 27487109 DOI: 10.1089/sur.2015.187] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Colorectal cancer surgery is associated with a high incidence of post-operative infections, the outcome of which may be improved if diagnosed and treated early enough. We compared white blood cell (WBC) count, C-reactive protein (CRP), and procalcitonin (PCT) as predictors of post-operative infections and analyzed their impact on long-term survival. METHODS This retrospective study included 186 patients undergoing colorectal surgery. Post-operative values of WBC, CRP, and PCT were analyzed by the receiver operating characteristic (ROC) analysis. We followed infections 30 d after the surgery. A five-year survival was analyzed by Kaplan-Meier method and prognostic factors by Cox regression model. RESULTS Fifty-five patients (29.5%) developed post-operative infection, the most frequent of which was surgical site infection (SSI). C-reactive protein on post-operative day three and PCT on post-operative day two demonstrated the highest diagnostic accuracy for infection (area under the curve [AUC] 0.739 and 0.735). C-reactive protein on post-operative day three was an independent predictor of infection. Five-year survival was higher in the non-infected group (70.8%), compared with the infected group (52.1%). The worst survival (40.9%) was identified in patients with organ/space SSI. Post-operative infection and tumor stage III-IV were independent predictors of a worse five-year survival. CONCLUSIONS C-reactive protein on post-operative day three and PCT on post-operative day two may be early predictors of infection after colorectal cancer surgery. Post-operative infections in particular organ/space SSI have a negative impact on long-term survival.
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Affiliation(s)
| | - Alojz Ihan
- 2 Institute of Microbiology and Immunology, Ljubljana, Slovenia
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Truong A, Hanna MH, Moghadamyeghaneh Z, Stamos MJ. Implications of preoperative hypoalbuminemia in colorectal surgery. World J Gastrointest Surg 2016; 8:353-362. [PMID: 27231513 PMCID: PMC4872063 DOI: 10.4240/wjgs.v8.i5.353] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 01/07/2016] [Accepted: 03/09/2016] [Indexed: 02/06/2023] Open
Abstract
Serum albumin has traditionally been used as a quantitative measure of a patient’s nutritional status because of its availability and low cost. While malnutrition has a clear definition within both the American and European Societies for Parenteral and Enteral Nutrition clinical guidelines, individual surgeons often determine nutritional status anecdotally. Preoperative albumin level has been shown to be the best predictor of mortality after colorectal cancer surgery. Specifically in colorectal surgical patients, hypoalbuminemia significantly increases the length of hospital stay, rates of surgical site infections, enterocutaneous fistula risk, and deep vein thrombosis formation. The delay of surgical procedures to allow for preoperative correction of albumin levels in hypoalbuminemic patients has been shown to improve the morbidity and mortality in patients with severe nutritional risk. The importance of preoperative albumin levels and the patient’s chronic inflammatory state on the postoperative morbidity and mortality has led to the development of a variety of surgical scoring systems to predict outcomes efficiently. This review attempts to provide a systematic overview of albumin and its role and implications in colorectal surgery.
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Muñoz J, Ruiz-Tovar J, Miranda E, Berrio DL, Moya P, Gutiérrez M, Flores R, Picó C, Pérez A. C-Reactive Protein and Procalcitonin as Early Markers of Septic Complications after Laparoscopic Sleeve Gastrectomy in Morbidly Obese Patients Within an Enhanced Recovery After Surgery Program. J Am Coll Surg 2016; 222:831-7. [DOI: 10.1016/j.jamcollsurg.2016.01.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 01/27/2016] [Accepted: 01/27/2016] [Indexed: 02/04/2023]
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Meyer ZC, Schreinemakers JMJ, de Waal RAL, van der Laan L. Searching for predictors of surgical complications in critically ill surgery patients in the intensive care unit: a review. Surg Today 2015; 45:1091-101. [PMID: 25860589 DOI: 10.1007/s00595-015-1159-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 10/23/2014] [Indexed: 12/20/2022]
Abstract
We reviewed the use of the levels of C-reactive protein, lactate and procalcitonin and/or the Sequential Organ Failure Assessment score to determine their diagnostic accuracy for predicting surgical complications in critically ill general post-surgery patients. Included were all studies published in PubMed from inception to July 2013 that met the following inclusion criteria: evaluation of the above parameters, describing their diagnostic accuracy and the risk stratification for surgical complications in surgical patients admitted to an intensive care unit. No difference in the Sequential Organ Failure Assessment scores was seen between patients with or without complications. The D-lactate levels were significantly higher in those who developed colonic ischemic complications after a ruptured abdominal aortic aneurysm. After gastro-intestinal surgery, contradictory data were reported, with both positive and negative use of C-reactive protein and procalcitonin in the diagnosis of septic complications. However, in trauma patients, the C-reactive protein levels may help to discriminate between those with and without infectious causes. We conclude that the Sequential Organ Failure Assessment score, lactate concentration and C-reactive protein level have no significant predictive value for early postoperative complications in critically ill post-surgery patients. However, procalcitonin seems to be a useful parameter for diagnosing complications in specific patient populations after surgery and/or after trauma.
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Affiliation(s)
- Zainna C Meyer
- Department of Surgery, Amphia Hospital, Molengracht 21, 4818, Breda, CK, The Netherlands,
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Adamina M, Steffen T, Tarantino I, Beutner U, Schmied BM, Warschkow R. Meta-analysis of the predictive value of C-reactive protein for infectious complications in abdominal surgery. Br J Surg 2015; 102:590-8. [PMID: 25776855 DOI: 10.1002/bjs.9756] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 10/27/2014] [Accepted: 11/25/2014] [Indexed: 01/05/2023]
Abstract
BACKGROUND The aim of this analysis was to assess the predictive value of C-reactive protein (CRP) for the early detection of postoperative infectious complications after a variety of abdominal operations. METHODS A meta-analysis of seven cohort studies from a single institution was performed. Laparoscopic gastric bypass and colectomies, as well as open resections of cancer of the colon, rectum, pancreas, stomach and oesophagus, were included. The predictive value of CRP was assessed by the area under the curve (AUC) of the receiver operating characteristic (ROC) curve. RESULTS Of 1986 patients, 577 (29·1 (95 per cent c.i. 27·1 to 31·3) per cent) had at least one postoperative infectious complication. Patients undergoing laparoscopic gastric bypass (383 patients) or colectomy (285), and those having open gastric (97) or colorectal (934) resections were combined in a meta-analysis. Patients who had resection for cancer of the oesophagus (41) or pancreas (246) were analysed separately owing to heterogeneity. CRP levels 4 days after surgery had the highest diagnostic accuracy (AUC 0·76, 95 per cent c.i. 0·73 to 0·78). Sensitivity and specificity were 68·5 (60·6 to 75·5) and 71·6 (66·6 to 76·0) per cent respectively. Positive and negative predictive values were 50·4 (46·0 to 54·8) and 84·3 (80·8 to 87·3) per cent. The threshold CRP varied according to the procedure performed. CONCLUSION The negative predictive value of serum CRP concentration on day 4 after surgery facilitates reliable exclusion of postoperative infectious complications.
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Affiliation(s)
- M Adamina
- Departments of Surgery, Kantonsspital Winterthur, Winterthur, Switzerland
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Martin G, Dupré A, Mulliez A, Prunel F, Slim K, Pezet D. Validation of a score for the early diagnosis of anastomotic leakage following elective colorectal surgery. J Visc Surg 2015; 152:5-10. [DOI: 10.1016/j.jviscsurg.2014.12.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Gans SL, Atema JJ, van Dieren S, Koerkamp BG, Boermeester MA. Diagnostic value of C-reactive protein to rule out infectious complications after major abdominal surgery: a systematic review and meta-analysis. Int J Colorectal Dis 2015; 30:861-73. [PMID: 25935447 PMCID: PMC4471323 DOI: 10.1007/s00384-015-2205-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/29/2015] [Indexed: 02/04/2023]
Abstract
PURPOSE Infectious complications occur frequently after major abdominal surgery and have a major influence on patient outcome and hospital costs. A marker that can rule out postoperative infectious complications (PICs) could aid patient selection for safe and early hospital discharge. C-reactive protein (CRP) is a widely available, fast, and cheap marker that might be of value in detecting PIC. Present meta-analysis evaluates the diagnostic value of CRP to rule out PIC following major abdominal surgery, aiding patient selection for early discharge. METHODS A systematic literature search of Medline, PubMed, and Cochrane was performed identifying all prospective studies evaluating the diagnostic value of CRP after abdominal surgery. Meta-analysis was performed according to the PRISMA statement. RESULTS Twenty-two studies were included for qualitative analysis of which 16 studies were eligible for meta-analysis, representing 2215 patients. Most studies analyzed the value of CRP in colorectal surgery (eight studies). The pooled negative predictive value (NPV) improved each day after surgery up to 90% at postoperative day (POD) 3 for a pooled CRP cutoff of 159 mg/L (range 92-200). Maximum predictive values for PICs were reached on POD 5 for a pooled CRP cutoff of 114 mg/L (range 48-150): a pooled sensitivity of 86% (95% confidence interval (CI) 79-91%), specificity of 86% (95% CI 75-92%), and a positive predictive value of 64% (95% CI 49-77%). The pooled sensitivity and specificity were significantly higher on POD 5 than on other PODs (p < 0.001). CONCLUSION Infectious complications after major abdominal surgery are very unlikely in patients with a CRP below 159 mg/L on POD 3. This can aid patient selection for safe and early hospital discharge and prevent overuse of imaging.
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Affiliation(s)
- Sarah L. Gans
- />Department of Surgery (G4-133), Academic Medical Center, 1105 AZ Amsterdam, The Netherlands
| | - Jasper J. Atema
- />Department of Surgery (G4-133), Academic Medical Center, 1105 AZ Amsterdam, The Netherlands
| | - Susan van Dieren
- />Department of Surgery (G4-133), Academic Medical Center, 1105 AZ Amsterdam, The Netherlands , />Clinical Research Unit, Academic Medical Center, Amsterdam, The Netherlands , />Department of Anesthesiology, Academic Medical Center, Amsterdam, The Netherlands
| | | | - Marja A. Boermeester
- />Department of Surgery (G4-133), Academic Medical Center, 1105 AZ Amsterdam, The Netherlands
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Shimazaki J, Tabuchi T, Nakachi T, Motohashi G, Nishida K, Ubukata H, Tabuchi T. Pre-operative granulocyte/lymphocyte ratio as a predictive marker of post-operative complications in patients with colorectal cancer. Oncol Lett 2014; 9:425-429. [PMID: 25436003 PMCID: PMC4246701 DOI: 10.3892/ol.2014.2669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Accepted: 08/22/2014] [Indexed: 12/28/2022] Open
Abstract
The aim of the present study was to assess the clinical relevance of the pre-operative granulocyte/lymphocyte (G/L) ratio as a predictive marker of post-operative complications in patients with colorectal cancer. In total, 85 patients (59 males and 26 females; mean age, 68.9 years) underwent surgery for colorectal cancer at the Department of Surgery, Ibraki Medical Center, Tokyo Medical University (Ami, Japan), and were divided into post-operative complication and non-complication groups. Clinical data, including age, gender, body mass index, tumor localization, tumor pathological type, cancer staging, surgery time, volume of surgical bleeding, pre-operative G/L ratio and further pre-operative laboratory data, including levels of albumin and C-reactive protein, Glasgow Prognostic Score, white blood cell count and levels of hemoglobin, creatine kinase, lactate dehydrogenase, carcinoembryonic antigen and carbohydrate antigen 19-9 were analyzed between these groups. The total post-operative complication rate was 18.8%. On univariate analysis, the amount of surgical bleeding and the pre-operative G/L ratio were significantly higher in the complication group than in the non-complication group (299.8±361.7 vs. 155.6±268.6 ml, P<0.05; and 6.73±10.38 vs. 3.49±2.78, P<0.05, respectively). Multivariate logistic regression analysis for the risk factors of post-operative complications, determined using univariate analysis, demonstrated that the amount of surgical bleeding and the pre-operative G/L ratio were independent risk factors of post-operative complications in patients with colorectal cancer. In conclusion, the G/L ratio may be a clinically relevant pre-operative predictive marker for post-operative complications.
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Affiliation(s)
- Jiro Shimazaki
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Takanobu Tabuchi
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Takeshi Nakachi
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Gyo Motohashi
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Kiyotaka Nishida
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Hideyuki Ubukata
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
| | - Takafumi Tabuchi
- Department of Gastrointestinal Surgery, Ibaraki Medical Center, Tokyo Medical University, Ami, Ibaraki 300-0395, Japan
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Silvestre J, Rebanda J, Lourenço C, Póvoa P. Diagnostic accuracy of C-reactive protein and procalcitonin in the early detection of infection after elective colorectal surgery - a pilot study. BMC Infect Dis 2014; 14:444. [PMID: 25132018 PMCID: PMC4143543 DOI: 10.1186/1471-2334-14-444] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 08/12/2014] [Indexed: 02/06/2023] Open
Abstract
Background Colorectal surgery is associated with postoperative infectious complications in up to 40% of cases, but the diagnosis of these complications is frequently misleading, delaying its resolution. Several biomarkers have been shown to be useful in infection diagnosis. Methods We conducted a single-centre, prospective, observational study segregating patients submitted to elective colorectal surgery with primary anastomosis, CRP and PCT were measured daily. We compared infected and non-infected patients. Results From October 2009 to June 2011, a total of 50 patients were included. Twenty-one patients developed infection. PCT and CRP before surgery were equally low in patients with or without postoperative infectious complications. After surgery, both PCT and CRP increased markedly. CRP time-course from the day of surgery onwards was significantly different in infected and non-infected patients (P = 0.001) whereas, PCT time-course was almost parallel in both groups (P = 0.866). Multiple comparisons between infected and non-infected patients from 5th to 9th postoperative days (POD) were performed and CRP concentration was significantly different (P < 0.01, Bonferroni correction), on the 6th, 7th and 8th POD. A CRP concentration > 5.0 mg/dl at the D6 was predictive of infection with a sensitivity of 85% and a specificity of 62% (positive likelihood ratio 2.2, negative likelihood ratio 0.2). Conclusions After a major elective surgical insult both CRP and PCT serum levels increased independently of the presence of infection. Besides serum CRP time-course showed to be useful in the early detection of an infectious complication whereas PCT was unhelpful. Electronic supplementary material The online version of this article (doi:10.1186/1471-2334-14-444) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Joana Silvestre
- Polyvalent Intensive Care Unit, São Francisco Xavier Hospital, CHLO, Lisbon, Portugal.
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Jiang GQ, Chen P, Qian JJ, Yao J, Wang XD, Jin SJ, Bai DS. Perioperative advantages of modified laparoscopic vs open splenectomy and azygoportal disconnection. World J Gastroenterol 2014; 20:9146-9153. [PMID: 25083088 PMCID: PMC4112867 DOI: 10.3748/wjg.v20.i27.9146] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 03/16/2014] [Accepted: 04/16/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate perioperative outcomes in patients undergoing modified laparoscopic splenectomy or open splenectomy and azygoportal disconnection for portal hypertension.
METHODS: This study included 44 patients who underwent modified laparoscopic splenectomy and azygoportal disconnection (MLSD) and 71 who underwent open procedures for portal hypertension. Blood samples were collected before surgery and on days 1, 3, and 7 after surgery. Markers of liver and renal function, C-reactive protein (CRP), interleukin-6 (IL-6), and procalcitonin (PCT) were measured, and perioperative variables were compared between the two groups.
RESULTS: The modified laparoscopic group showed significantly better and faster recovery, better liver and renal function, and fewer complications than the open group. CRP, IL-6, and PCT concentrations on postoperative days 1, 3, and 7 were significantly lower in the modified laparoscopic group than in the open group.
CONCLUSION: MLSD was associated with lower inflammatory immune responses, less impairment of liver and renal function, and faster and better recovery.
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Adamina M, Warschkow R, Näf F, Hummel B, Rduch T, Lange J, Steffen T. Monitoring c-reactive protein after laparoscopic colorectal surgery excludes infectious complications and allows for safe and early discharge. Surg Endosc 2014; 28:2939-48. [PMID: 24853848 DOI: 10.1007/s00464-014-3556-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Accepted: 04/12/2014] [Indexed: 12/30/2022]
Abstract
BACKGROUND Early detection of infectious complications is urgently needed in the era of DRG-based compensation. This work assessed the diagnostic accuracy of c-reactive protein (CRP) level in the detection of infectious complications after laparoscopic colorectal resection. METHODS Laparoscopic colorectal resections were identified from a prospective database. Complications were graded according to the Dindo-Clavien classification. Surgical site infections were defined according to the Centers of Disease Control. CRP level was routinely measured until postoperative day (POD) 7. Uni- and multivariate analysis were performed. Diagnostic accuracy was evaluated using receiver operating curves. RESULTS 355 patients were operated for diverticulosis (88.7%), neoplasia (6.8%), and other causes (4.5%). Mean age and body mass index were 59.8 ± 13.7 years and 26.5 ± 15 kg/m(2). Left, right, and total laparoscopic colectomies were performed in 316, 33, and 6 patients. Complications occurred in 85 patients and 16 patients (4.5%) were reoperated. Fifty-one patients (14.4%) suffered from infectious complications at a median of 6 POD, while 9 anastomoses leaked (2.7%). In multivariate analysis, presence of an abscess at surgery was predictive of an infectious complication (OR 2.5, 95% CI 1.1-5.3), as were a body mass index >30 kg/m(2) and operative time >160 min in a bootstrap analysis. Overall, CRP peaked on POD 2 and declined thereafter. Most infectious complications were apparent starting on POD 6. A CRP <56 mg/l on POD 4 had a negative predictive value of 100% (95% CI 94.9-100%) to rule out infectious complications. Above 56 mg/l, sensitivity was 100% (95% CI 0.8-1) and specificity 49% (95% CI 0.4-0.6) for the development of infectious complications in the absence of clinical signs. This translated into a remarkable diagnostic accuracy of 78% (95% CI 0.7-0.9). CONCLUSION Monitoring CRP level in laparoscopic colorectal surgery demonstrated a high diagnostic accuracy for infectious complications, thus allowing for safe and early discharge.
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Affiliation(s)
- Michel Adamina
- Department of Surgery, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland,
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Ortega-Deballon P, Lagoutte N, Facy O. Inflammatory markers as predictors of surgical site infection after elective colorectal cancer surgery. Langenbecks Arch Surg 2014; 399:795-6. [PMID: 24824798 DOI: 10.1007/s00423-014-1209-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Accepted: 05/02/2014] [Indexed: 01/30/2023]
Abstract
We raise some doubts regarding the methods, results and conclusions obtained by Takakura et al. in their article published in the August's issue of the journal about the use of inflammatory markers as early predictors of surgical infection after colorectal cancer surgery.
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Affiliation(s)
- Pablo Ortega-Deballon
- Department of Digestive Surgical Oncology, University Hospital of Dijon, 14, rue Paul Gaffarel, 21079, Dijon Cedex, France,
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Takakura Y, Ohdan H. Inflammatory markers as predictors of surgical site infection after elective colorectal surgery: authors’ reply. Langenbecks Arch Surg 2014; 399:797-8. [DOI: 10.1007/s00423-014-1208-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 05/02/2014] [Indexed: 11/27/2022]
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Domínguez-Comesaña E, López-Gómez V, Estevez-Fernández SM, Mariño Padín E, Ballinas-Miranda J, Carrera-Dacosta E, Piñon-Cimadevila MÁ, Barreiro-Morandeira F. [Procalcitonin and C-reactive protein as early indicators of postoperative intra-abdominal infection after surgery for gastrointestinal cancer]. Cir Esp 2014; 92:240-6. [PMID: 24445075 DOI: 10.1016/j.ciresp.2013.09.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Revised: 09/25/2013] [Accepted: 09/26/2013] [Indexed: 12/12/2022]
Abstract
AIM to evaluate the association between serum levels of procalcitonin and C-reactive protein, on the first 3 postoperative days, and the appearance of postoperative intra-abdominal infection. METHOD Prospective observational study including 67 patients operated on for colo-rectal, gastric and pancreatic cancer. Serum levels of procalcitonin and C-reactive protein were analyzed before surgery and daily until the third postoperative day. Values of procalcitonin (PCT) and C-reactive protein (CRP) were recorded as well as their accuracy for detection of postoperative intra-abdominal infection (PIAI). RESULTS The incidence of postoperative intra-abdominal infection was 13.4%. CRP serum levels at 72h, PCT serum levels at 24, 48 and 72h and the ratio between serum levels of CRP at 72hours and serum levels of CRP at 48hours (CRP D3/CRP D2) were significantly associated with the appearance of postoperative intra-abdominal infection. The highest sensitivity corresponded to PCT at 72hours (88.9%); the highest specificity and positive predictive value corresponded to the ratio CRP D3/CRP D2 (96.49% and 71.4%, respectively); the highest negative predictive value to procalcitonin at 72h and 24h. CONCLUSIONS Serum levels of PCT are significantly associated with the appearance of postoperative intra-abdominal infection. Sensitivity and predictive positive values are low, but negative predictive value is high, even at 24h after surgery.
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Affiliation(s)
| | - Victoria López-Gómez
- Servicio de Análisis Clínicos, Complejo Hospitalario de Pontevedra, Pontevedra, España
| | | | - Esther Mariño Padín
- Servicio de Cirugía, Complejo Hospitalario de Pontevedra, Pontevedra, España
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