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Zhang Q, Zhao H, Wang F, Li W, Zhang P. Diagnostic value of laboratory parameters for complicated appendicitis: A two‑center study. Biomed Rep 2024; 20:77. [PMID: 38590948 PMCID: PMC10999898 DOI: 10.3892/br.2024.1765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 02/06/2024] [Indexed: 04/10/2024] Open
Abstract
There are two types of treatment for acute appendicitis (AA): surgery and antibiotic therapy. Some patients with complex appendicitis are treated with surgery; however, for uncomplex appendicitis, most could be treated effectively with antibiotics instead. How to distinguish complex appendicitis from uncomplex appendicitis before surgery is currently unknown. The present study aimed to assess the efficacy of the laboratory parameters to diagnose complicated appendicitis. Data from 1,514 cases with acute appendicitis who were admitted to Beijing Tsinghua Changgung Hospital and Beijing Aerospace General Hospital (both Beijing, China) from January 2016 to September 2021 were retrospectively analyzed. All cases were divided into uncomplicated and complicated appendicitis. Independent variables were analyzed by uni- and multivariate logistic regression analyses. Receiver operating characteristic (ROC) curve analysis was used to identify significant parameters in the multivariate logistic regression analysis. Cut-off values, sensitivity, specificity and accuracy with area under the curve (AUC)>0.600 were considered significant parameters. Significant differences were found in age (P<0.001), body temperature (P<0.001), white blood cell (WBC) count (P<0.001), C-reactive protein (CRP; P<0.001), neutrophil count (P<0.001), neutrophil-to-lymphocyte ratio (NLR, P=0.019), platelet-to-lymphocyte ratio (PLR, P<0.001), platelet count (P<0.001), coefficient of variation (CV) and standard deviation (SD) of red blood cell distribution width (RDW); both P<0.001), mean platelet volume (MPV, P<0.001) and total (P<0.001) and direct bilirubin (P<0.001) between the two groups. CRP, neutrophil count, NLR, PLR, platelet count, RDW-CV, RDW-SD, MPV and direct bilirubin levels were found as the independent variables to diagnose complicated appendicitis. In patients with acute appendicitis, CRP >22.95 mg/l, NLR >5.7, serum direct bilirubin >6.1 mmol/l and RDW-SD>17.7 fl were significantly associated with complicated appendicitis.
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Affiliation(s)
- Qian Zhang
- Department of Gastrointestinal Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Hongwei Zhao
- Department of Gastrointestinal Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
| | - Fangli Wang
- Department of General Surgery, Aerospace Center Hospital, School of Clinical Medicine, Peking University, Beijing 100039, P.R. China
| | - Wenqiang Li
- Department of General Surgery, Aerospace Center Hospital, School of Clinical Medicine, Peking University, Beijing 100039, P.R. China
| | - Peng Zhang
- Department of Gastrointestinal Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, P.R. China
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Alfehaid MS, Babiker AM, Alkharraz AH, Alsaeed HY, Alzunaydi AA, Aldubaiyan AA, Sinyan HA, Alkhalaf BK, Alshuwaykan R, Khalil R, Al-Wutayd O. Elevated total and direct bilirubin are associated with acute complicated appendicitis: a single-center based study in Saudi Arabia. BMC Surg 2023; 23:342. [PMID: 37950198 PMCID: PMC10638704 DOI: 10.1186/s12893-023-02258-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 11/05/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Appendicitis is the most common abdominal surgical emergency and up to our knowledge no previous studies have been conducted in Saudi Arabia particularly at Qassim region and this study aimed to determine a total and direct bilirubin as a predictor of acute complicated appendicitis. METHODS Observational retrospective study that included patients admitted under the general surgery department with a diagnosis of acute appendicitis at King Saud Hospital, Unaizah, Saudi Arabia. Data on age, gender, BMI, diabetes mellitus, total and direct bilirubin, AST, ALT, sodium, and WBCs levels were obtained. RESULT Among the overall study population of 158 patients, the age median [IQR] was 24.5 [19-31], males were 99 (62.7%), and complicated appendicitis was 33 (20.9%). The multivariable analysis revealed that both elevated total and direct bilirubin are associated with complicated appendicitis (aOR = 3.79, 95% CI: 1.67-8.48, P = 0.001) and (aOR = 4.74, 95% CI: 2.07-10.86, P < 0.001) respectively. A receiver operating characteristic curve showed the best cutoff value of total and direct bilirubin as ≥ 15 µmol/L and ≥ 5 µmol/L respectively, with a sensitivity of 57.6%, and specificity of 73.6% for elevated total bilirubin, and a sensitivity of 54.6%, and specificity of 80% for elevated direct bilirubin. CONCLUSION Elevated total and direct bilirubin are associated with acute complicated appendicitis in this setting. However, it should be supportive factor for acute complicated appendicitis and not considered as standalone diagnostic test.
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Affiliation(s)
- Mohammed S Alfehaid
- Department of Surgery, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Ayman M Babiker
- King Saud Hospital, Ministry of Health, Unaizah, Saudi Arabia
| | - Abdullah Hamad Alkharraz
- Research unit, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Hamad Yousef Alsaeed
- Research unit, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Ali Abdullah Alzunaydi
- Research unit, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Adi Abdulaziz Aldubaiyan
- Research unit, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | | | | | | | - Rehana Khalil
- Department of Family and Community Medicine, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia
| | - Osama Al-Wutayd
- Department of Family and Community Medicine, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah, Saudi Arabia.
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Sikander B, Rosenberg J, Fonnes S. Individual biomarkers in the blood are not yet applicable in diagnosing complicated appendicitis: A scoping review. Am J Emerg Med 2023; 67:100-107. [PMID: 36842426 DOI: 10.1016/j.ajem.2023.02.016] [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: 12/16/2022] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/21/2023] Open
Abstract
BACKGROUND Appendicitis is one of the most common surgical emergencies globally and it can both be difficult to diagnose but also to differentiate complicated from uncomplicated appendicitis preoperatively. The objective of this scoping review was to develop an overview of biomarkers in blood discriminating complicated from uncomplicated appendicitis and characterize their applicability in an acute setting including time, cost, and analysis technique required as well as their individual precision. METHOD This scoping review was reported in accordance with PRISMA-ScR. The included studies had to report on biomarkers measured in the blood for at least ten patients with suspected appendicitis. A systematic literature search was conducted on August 28, 2022, in PubMed and Embase but restricted to articles published in January 2000 and onwards. A protocol was uploaded to Open Science Framework prior to data extraction. RESULTS A total of 65 biomarkers were included from 52 studies, covering 14,312 patients. There was 60% routine- and 40% novel biomarkers based on the reported analysis technique. The most frequently investigated biomarkers within each group were white blood cell count and procalcitonin. The routine biomarkers were of low financial cost but poor diagnostic accuracy with sensitivity ranging between 15 and 100% and specificity between 27 and 100%. Novel markers were costly ranging from 275 to 800$, and their diagnostic accuracy was based on limited population sizes (median 34 patients) and reported for only 5% of the novel markers. CONCLUSION Routine biomarkers were applicable in an acute setting but had poor diagnostic accuracy. Novel biomarkers are being investigated for potential, but the concept is still premature due to lack of diagnostic accuracy studies reporting cost-benefit for individual markers and whether they can be applied in an acute setting.
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Affiliation(s)
- Binyamin Sikander
- Center for Perioperative Optimization, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, DK-2730 Herlev, Denmark.
| | - Jacob Rosenberg
- Center for Perioperative Optimization, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, DK-2730 Herlev, Denmark
| | - Siv Fonnes
- Center for Perioperative Optimization, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Borgmester Ib Juuls Vej 1, DK-2730 Herlev, Denmark
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Feng H, Yu Q, Wang J, Yuan Y, Yu S, Wei F, Zheng Z, Peng H, Zhang W. Development and Validation of a Clinical Prediction Model for Complicated Appendicitis in the Elderly. Front Surg 2022; 9:905075. [PMID: 35756469 PMCID: PMC9218209 DOI: 10.3389/fsurg.2022.905075] [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: 03/30/2022] [Accepted: 05/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background For elderly patients with mild clinical symptoms of uncomplicated appendicitis(UA), non-surgical treatment has been shown to be feasible, whereas emergency surgical treatment is recommended in elderly patients with complicated appendicitis(CA), but it is still challenging to accurately distinguish CA and UA before treatment. This study aimed to develop a predictive model to assist clinicians to quickly determine the type of acute appendicitis. Methods We retrospectively studied the clinical data of elderly patients with acute appendicitis who visited the First Affiliated Hospital of Anhui University of Traditional Chinese Medicine from January 2012 to January 2022. The patients were divided into UA group and CA group, and the general conditions, medical history, physical examination, laboratory examination and imaging examination were compared between the two groups, and SPSS 26.0 and R 4.0.2 software were used to establish CA clinic. Predict the model, and validate it internally. Results The clinical data of 441 elderly patients with acute appendicitis were collected, 119 patients were excluded due to incomplete clinical data or other diseases. Finally, 332 patients were included in the study and divided into UA group (n = 229) and CA group (n = 103). By analyzing the clinical data of the two groups of patients, the duration of abdominal pain [OR = 1.094, 95% CI (1.056–1.134)], peritonitis [OR = 8.486, 95% CI (2.017–35.703))] and total bilirubin [OR = 1.987, 95% CI (1.627–2.426)] were independent predictors of CA (all p < 0.01). The model's Area Under Curve(AUC) = 0.985 (95% CI, 0.975–0.994). After internal verification by Bootstrap method, the model still has high discriminative ability (AUC = 0.983), and its predicted CA curve is still in good agreement with the actual clinical CA curve. Conclusion We found that a clinical prediction model based on abdominal pain duration, peritonitis, and total bilirubin can help clinicians quickly and effectively identify UA or CA before treatment of acute appendicitis in the elderly, so as to make more scientific clinical decisions.
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Affiliation(s)
- Hui Feng
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Qingsheng Yu
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Jingxing Wang
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Yiyang Yuan
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Shushan Yu
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Feisheng Wei
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Zhou Zheng
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Hui Peng
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
| | - Wanzong Zhang
- General surgery department, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
- Institute of Chinese Medicine Surgery, Anhui Academy of Chinese Medicine, Hefei, Anhui, China
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Ramasamy Ramu T, Chinnakkulam Kandhasamy S, Andappan A, Sankar T B. A Prospective Study on the Diagnostic Value of Hyperbilirubinemia as a Predictive Factor for Appendicular Perforation in Acute Appendicitis. Cureus 2018; 10:e3214. [PMID: 30405990 PMCID: PMC6205906 DOI: 10.7759/cureus.3214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Background Appendicitis is one of the most common surgical emergency in general surgical practices. Early and prompt diagnosis is necessary to avoid life-threatening complications associated with it. The diagnosis is mainly clinically aided by imaging techniques. The physiological obstruction of the bile flow associated with appendicular pathology leads to hyperbilirubinemia, which can be used as a predictive factor of appendicular perforation. Method This prospective study was conducted in the department of general surgery in Madras Medical College and Rajiv Gandhi Government Hospital, Chennai, from January 2012 to November 2012. A total of 378 patients with the features of acute appendicitis or appendicular perforation admitted in the emergency surgical ward were included. Results Out of 378 of the study population, 18% had appendicular perforation and 82% had acute appendicitis. Out of 67 perforations, 60 patients have hyperbilirubinemia (90%) whereas out of 311 patients with appendicitis, only 89 (29%) of them had elevated bilirubin. Hyperbilirubinemia with a cutoff point of 0.9 mg% for appendicitis patients has a sensitivity of 89.6%, specificity of 71.4%, a positive predictive value of 27%, and a negative predictive value of 96.9%. Hyperbilirubinemia with a cutoff point of >1.3 mg% for appendicular perforation has a sensitivity of 80%, specificity of 89%, a positive predictive value of 93%, and a negative predictive value of 96%. Conclusions Hyperbilirubinemia with bilirubin levels more than 1.3 mg% are highly predictive of appendicular perforation and, hence, aid in prompt diagnosis. This can be combined with a clinical diagnosis and imaging for an accurate and precise diagnosis.
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Affiliation(s)
| | | | - Anandi Andappan
- General Surgery, Madras Medical College and Rajiv Gandhi Government General Hospital, Chennai, IND
| | - Bavani Sankar T
- General Surgery, Madras Medical College and Rajiv Gandhi Government General Hospital, Chennai, IND
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