C-reactive protein and total serum bilirubin as a predictor of perforated appendicitis: a cross sectional study

Background: C-reactive protein (CRP) and bilirubin have been used as adjuncts for diagnosis of appendicitis. This study assessed the diagnostic value of these markers in patients with suspected acute appendicitis.Methods: CRP values and total serum bilirubin among the patients who presented with acute appendicitis were compared among patients who had perforated appendix and non- perforated appendix. The diagnostic value of CRP and TSB markers as a predictor for perforation were compared in terms of Sensitivity, specificity, PPVs and NPV and the diagnostic accuracy assessed by AUC using receiver operating characteristic (ROC) curve analysis.Results: This study showed sensitivity is 72.50%, specificity of 92.23%, positive predictive value of 78.38% for a raised CRP. The sensitivity of TSB for predicting perforation is 77.50 and the values of specificity, PPV and NPV of the same are 87.38 %, 70.45% and 90.91% respectively. The area under curve was more for CRP than TSB indicating that CRP is better predictor for perforation in appendicitis as compared to the TSB.Conclusions: Thus, serum CRP and total serum bilirubin (TSB) can be used as useful markers for early diagnosis and prediction of perforation in cases of acute appendicitis.

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The diagnostic value of white cell count, C-reactive protein and bilirubin in acute appendicitis and its complications

Annals of The Royal College of Surgeons of England ◽

10.1308/003588413x13511609957371 ◽

2013 ◽

Vol 95 (3) ◽

pp. 215-221 ◽

Cited By ~ 28

Author(s):

I G Panagiotopoulou ◽

D Parashar ◽

R Lin ◽

S Antonowicz ◽

AD Wells ◽

...

Keyword(s):

Acute Appendicitis ◽

Diagnostic Accuracy ◽

Cell Count ◽

Inflammatory Markers ◽

White Cell Count ◽

Perforated Appendicitis ◽

Diagnostic Value ◽

White Cell ◽

C Reactive Protein ◽

Reactive Protein

Introduction Inflammatory markers such as white cell count (WCC) and C-reactive protein (CRP) and, more recently, bilirubin have been used as adjuncts in the diagnosis of appendicitis. The aim of this study was to determine the diagnostic accuracy of the above markers in acute and perforated appendicitis as well as their value in excluding the condition. Methods A retrospective analysis of 1,169 appendicectomies was performed. Patients were grouped according to histological examination of appendicectomy specimens (normal appendix = NA, acute appendicitis = AA, perforated appendicitis = PA) and preoperative laboratory test results were correlated. Receiver operating characteristic (ROC) curve area analysis (area under the curve [AUC]) was performed to examine diagnostic accuracy. Results ROC analysis of all laboratory variables showed that no independent variable was diagnostic for AA. Good diagnostic accuracy was seen for AA when all variables were combined (WCC/CRP/bilirubin combined AUC: 0.8173). In PA, the median CRP level was significantly higher than that of AA (158mg/l vs 30mg, p<0.0001). CRP also showed the highest sensitivity (100%) and negative predictive value (100%) for PA. CRP had the highest diagnostic accuracy in PA (AUC: 0.9322) and this was increased when it was combined with WCC (AUC: 0.9388). Bilirubin added no diagnostic value in PA. Normal levels of WCC, CRP and bilirubin could not rule out appendicitis. Conclusions CRP provides the highest diagnostic accuracy for PA. Bilirubin did not provide any discriminatory value for AA and its complications. Normal inflammatory markers cannot exclude appendicitis, which remains a clinical diagnosis.

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ROLE OF HYPERBILIRUBINEMIA IN PREDICTON OF GANGRENOUS/PERFORATED APPENDICITIS

International Journal of Medical and Biomedical Studies ◽

10.32553/ijmbs.v5i7.2011 ◽

2021 ◽

Vol 5 (7) ◽

Author(s):

Irfan Hussain Khan ◽

Arun Bhargava

Keyword(s):

Acute Appendicitis ◽

Prospective Study ◽

Bilirubin Level ◽

Diagnostic Tool ◽

Liver Enzymes ◽

Serum Bilirubin ◽

Perforated Appendicitis ◽

Total Serum Bilirubin ◽

Total Serum

Introduction: The aim of this study was to determine the role of hyperbilirubinemia as a new diagnostic tool for predictor of gangrenous / perforated appendicitis. Methods: Hospital based prospective study was conducted on 100 patients with perforated/gangrenous appendix Results: In acute appendicitis case out of 84 cases 26 cases bilirubin level was more than 1mg/dl, in gangrenous appendicitis out of 3 cases all cases bilirubin level was more than 1mg/dl and in perforated appendicitis out of 13 cases 12 cases bilirubin level was more than 1mg/dl Conclusion: It is concluded from present study that elevated total serum bilirubin without elevation of liver enzymes is a good indicator of appendicular perforation. Keywords: Perforation, Appendicitis, Bilirubin

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Diagnostic Value of Interleukin-6 and C-Reactive Protein in Acute Appendicitis

Swiss Surgery ◽

10.1024/1023-9332.6.4.169 ◽

2000 ◽

Vol 6 (4) ◽

pp. 169-172 ◽

Cited By ~ 26

Author(s):

Erkasap ◽

Ates ◽

Ustuner ◽

Sahin ◽

Yilmaz ◽

...

Keyword(s):

Acute Appendicitis ◽

Interleukin 6 ◽

Iliac Fossa ◽

Diagnostic Value ◽

C Reactive Protein ◽

Reactive Protein ◽

Perforated Appendix ◽

Right Iliac Fossa Pain ◽

The Mean ◽

Serum Crp

The aim of this study is prospectively to evaluate the serum C-reactive protein (CRP) and interleukin-6 (IL-6) levels in detection of acute appendicitis in patients with right iliac fossa pain. Data were collected in prospective manner on 102 consecutive patients with right iliac fossa pain. Laparotomy was performed for suspected acute appendicitis for 55 of the 102 patients, of whom 49 patients had appendicitis, 6 patients non-appendicitis (NA), and the other 47 patients had nonspecific abdominal pain (NSAP) and they did not undergo operation. Among those with appendicitis 31 had acute appendix (AA), 8 had gangrenous appendix (GA), and 10 had perforated appendix (PA). The WBC and CRP the mean (SEM) values were significantly different in AA, GA, and PA groups compared with NSAP and NA groups (P < 0.05). Although the mean IL-6 levels were significantly different only in PA group than the others groups (P < 0.05). The sensitivity and specificity of serum CRP measurements were calculated as 96% and 87%, respectively whereas these were 33% and 83% for IL-6 levels for the diagnosis of the acute appendicitis. As a result, measurement of the CRP levels and WBC have an additional diagnostic value on the diagnosis of the acute appendicitis but determination of IL-6 levels which added to the test combination of WBC and CRP, the sensitivity for the diagnosis of the acute appendicitis was not changed whereas the specificity was decreased to 66%.

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Diagnostic value of serum bilirubin in appendicular perforation

International Surgery Journal ◽

10.18203/2349-2902.isj20174513 ◽

2017 ◽

Vol 4 (10) ◽

pp. 3445

Author(s):

Mallikarjuna M. N. ◽

Utpala Uday

Keyword(s):

Acute Appendicitis ◽

Analytical Study ◽

Serum Bilirubin ◽

Histopathological Examination ◽

Perforated Appendicitis ◽

Liver Function Tests ◽

Diagnostic Value ◽

Total Serum ◽

P Value ◽

The Mean

Background: Hyperbilirubinemia has been well documented in relation to acute appendicitis. This study tries to establish the diagnostic value of this parameter in determining the severity of acute appendicitis.Methods: This is a prospective analytical study conducted on 100 patients with acute appendicitis. All patients were subjected to clinical evaluation and investigations; including liver function tests. The diagnosis was confirmed peri-operatively and postoperatively by histopathological examination. The data was compiled and analysed.Results: The incidence of complicated appendicitis was found to be 18%, defined as evidence of gangrene, or microscopic or gross perforation on histopathological examination. Among these total serum bilirubin (TSB) was raised in 17 cases (17%) and statistically significant correlation was established by p-value <0.001. The mean of TSB level was higher in perforated appendicitis than in cases of acute appendicitis (0.57±0.26 mg/dL; range 0.1-1.2 versus 1.68±1.09 mg/dL; range 0.8-4.8 mg/dL). TSB was shown to have specificity of 96.4%, sensitivity 88.2%, PPV 83.3% and NPV was 97.6%. The diagnostic accuracy of raised bilirubin for diagnosis of appendicular perforation was calculated to be 95.0%. The rise in bilirubin was mixed in type (both indirect and direct). There could not be established any correlation between the liver enzymes and appendicitis or its complications.Conclusions: This study ascertains the predictive value of serum bilirubin in acute appendicitis patients as an indicator of severity. Raised bilirubin in the setting of acute appendicitis identifies higher probability of appendicular perforation.

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Diagnostic value of C-reactive protein and neutrophil-limphocyte ratio in perforated appendicitis at Hasan Sadikin Hospital Bandung

International Surgery Journal ◽

10.18203/2349-2902.isj20174488 ◽

2017 ◽

Vol 4 (10) ◽

pp. 3196 ◽

Cited By ~ 1

Author(s):

Reno Rudiman ◽

Tommy Ruchimat ◽

Yohanes Ferdinand

Keyword(s):

Surgical Techniques ◽

Perforated Appendicitis ◽

The Elderly ◽

Diagnostic Value ◽

Surgical Approaches ◽

C Reactive Protein ◽

Roc Curve Analysis ◽

Cross Sectional ◽

Reactive Protein ◽

Sensitivity Specificity

Background: The diagnosis of appendicitis depends on the subjective criteria of clinical examination. However, distinguishing acute perforated appendicitis (local peritonitis) and non-perforated is often difficult especially in the elderly population that usually not clinically specific unless it has developed into generalized peritonitis. Between the non-perforated acute appendicitis and perforate should be distinguished because of different surgical approaches. C-reactive protein (CRP) and neutrophil-lymphocyte ratios are known to be associated with various conditions such as malignancy, heart disease, and inflammation, including acute perforated appendicitis. This examination not only is cheaper, but also feasible and available in peripheral hospitals compared to other supports such as ultrasound or CT scan, but this examination has not been routinely used so the purpose of this study is to examine the diagnostic accuracy of both laboratory parameters so as to assist a surgeon to determine whether the case of appendicitis has been perforated or not and can provide information to patients and the families about the diseases and surgical techniques to be performed.Methods: This study used cross sectional analytic in two groups, appendicitis with and without perforation group to know the value of sensitivity, specificity, positive predictor value, negative predictor value, from CRP and RNL in both groups.Results: Of the 46 patients who met the inclusion criteria, the mean age of patients with perforated appendicitis was 33.73±17.101, male sex counted 26 patients (56.5%) and women 20 patients (43.5%). Based on ROC curve analysis, CRP = 76,65 and RNL = 8,825 were obtained, and sensitivity, specificity, positive guess, negative prediction and accuracy value for CRP were 88.0%, 71.4%, 78 %, 5%, 83.3% and 80.4%; While for RNL of 64.0%, 80.9%, 80.0%, NDN, and 71.7%.Conclusions: CRP and RNL have a strong diagnostic value and is moderately strong in cases of perforated appendicitis.

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Predictive value of total leucocyte count (TLC), bilirubin and C-reactive protein in the diagnosis of gangrenous and perforated appendicitis.

The Professional Medical Journal ◽

10.29309/tpmj/2019.26.12.3696 ◽

2019 ◽

Vol 26 (12) ◽

pp. 2173-2178

Author(s):

Muhammad Najam Iqbal ◽

Shahbaz Ahmad ◽

Abdullah Saeed ◽

Muhammad Imran Shah ◽

Muhammad Zahid Imtiaz Dogar ◽

...

Keyword(s):

Acute Appendicitis ◽

Predictive Value ◽

Perforated Appendicitis ◽

Serum Total Bilirubin ◽

Suspected Case ◽

C Reactive Protein ◽

Alvarado Score ◽

Reactive Protein ◽

Gangrenous Appendicitis ◽

Perforated Appendix

Acute appendicitis is the most common cause of acute abdomen. Most of the cases are diagnosed on history, clinical examination and raised TLC but gangrenous and perforated appendicitis are difficult to diagnose. The TLC, Serum bilirubin and C‑reactive protein (CRP) have been shown to indicate perforation in appendicitis. Objectives: The purpose of this study was to evaluate the role of TLC, hyperbilirubinemia and CRP in the diagnosis of perforated appendix and surgery should be planned. Study Design: Prospective study. Setting: Department of Surgery in Sheikh Zayed Medical College Rahim Yar Khan. Period: 12 months from November 2017 to October 2018. Material & Methods: This study consisted of patients admitted with the clinical suspicion of acute appendicitis. ALVARADO score was calculated. 120 patients with ALVARADO score more than 6 and histologically diagnosed appendicitis were finally included in the study. A proforma was filled which included patients name, age, sex, duration of pain, TLC count, C-Reactive protein (CRP) level and serum total bilirubin level and diagnosis of appendicitis (acute appendicitis, gangrenous appendicitis and perforated appendicitis. Patients were divided into 3 groups. Group A comprised of patients with features of simple appendicitis (AA), Group B Gangrenous appendicitis (GA) and group C Perforated appendicitis (PA). Results: There were 81 patients of acute appendicitis, 13 patients of gangrenous appendicitis and 26 patients of perforated appendicitis. TLC was raised in 13 patients of AA, 10 patients of gangrenous appendicitis and 24 patients of perforated appendicitis. Hyperbillirubinemia (>1mg/dl) was present in 9 patients of GA and 20 patients of PA. Raised C-Reactive protein level (>5mg) was present in 10 patients of GA and 21 patients of PA. There was significant correlation of raised TLC, hyperbillirubinemia and C-reactive protein in gangrenous and perforated appendicitis and p value was less than 0.05. Predictive value of bilirubin in GA and PA was 56.25 % and 74.04 %respectively. Predictive value of C Reactive Protein in GA and PA was 41.66 and 60 respectively. Predictive value of TLC in GA and PA was 43.47 and 60.86 respectively. Conclusion: All the patients who present with pain in right iliac fossa, lower abdominal tenderness and rigidity, Alvarado score>7, raised TLC, CRP and hybillirubinemia are the suspected case of perforated appendix and should be aggressively resuscitated and operated.

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Diagnostic value of serum hyperbilirubinemia in acute appendicitis and its complications

International Surgery Journal ◽

10.18203/2349-2902.isj20171626 ◽

2017 ◽

Vol 4 (5) ◽

pp. 1710

Author(s):

Farooq A. Mir ◽

Shaugfta Aara ◽

Masrat Jan ◽

Nisar A. Wani

Keyword(s):

Acute Appendicitis ◽

Bilirubin Level ◽

Predictive Factor ◽

Serum Bilirubin ◽

Perforated Appendicitis ◽

Diagnostic Value ◽

Significant Difference ◽

Perforated Appendix ◽

The Mean ◽

Appendiceal Perforation

Background: To increase diagnostic accuracy and to decrease complication rates secondary to acute appendicitis, a variety of different approaches have been described, including predictive scoring systems. To prevent the catastrophic effects of perforated appendix, a surgeon needs diagnostic tools which may signal perforation of appendix at earliest, as a result of which the delay in the management of perforated appendix will not be witnessed. Keeping in view the above facts, the diagnostic value of serum bilirubin in acute appendicitis and its complications has been evaluated.Methods: This prospective study was conducted on 100 patients who presented with clinical diagnosis of Acute Appendicitis. Role of serum bilirubin as a diagnostic tool in acute appendicitis and diagnostic value of hyperbilirubinemia as a predictive factor for appendiceal perforation was evaluated. . Estimation of serum bilirubin was done by Jendrassik and Gorf method using Hitachi – 912 automatic biochemistry analyzer. The sensitivity, specificity, positive predictive value, negative predictive value and accuracy of the investigations in the diagnosis of the acute appendicitis were calculated.Results: Serum bilirubin levels had a sensitivity of 84.1% and specificity of 83.3% in the diagnosis of acute appendicitis. The mean bilirubin level of patients with gangrenous appendicitis (2.1±1.2mg/dl) was significantly higher than the mean bilirubin level of patients with simple acute appendicitis (1.5 ±0.6) (p1=0.030 sig). A statistically significant difference was also observed in the mean bilirubin level of patients with perforated appendicitis (mean=2.9±1.6mg/dl) and mean bilirubin level of patients with simple acute appendicitis (p2=<0.0001 sig). However statistically non-significant difference was observed between the mean bilirubin level of patients with gangrenous and perforated appendicitis (p3=0.056 non- sig).Conclusions:Pre-operative assessment of serum bilirubin not only helps in acute appendicitis but also serves as a predictive factor for appendiceal perforation.

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Hyperbilirubinemia: a new diagnostic marker for perpendicular perforation

International Surgery Journal ◽

10.18203/2349-2902.isj20173880 ◽

2017 ◽

Vol 4 (9) ◽

pp. 3024

Author(s):

Ramaswami Y. B. ◽

Prakash H. S. ◽

Raghavendra Prabhu T. C. ◽

Faiyaz Abdul Jabbar

Keyword(s):

Acute Appendicitis ◽

Serum Bilirubin ◽

Diagnostic Marker ◽

Clinical Signs ◽

Perforated Appendicitis ◽

Signs And Symptoms ◽

Total Serum Bilirubin ◽

Total Serum ◽

Delay In Diagnosis ◽

Clinical Signs And Symptoms

Background: Appendicitis is one of the commonest causes of abdominal pain requiring emergency surgery. Diagnosing acute appendicitis clinically still remains a common surgical problem as the clinical signs and symptoms of other abdominal pathologic conditions mimic the diagnosis of acute appendicitis. Delay in diagnosis and surgery for this condition may lead to various complications like perforation, abdominal abscess etc. By knowing perforation prior to the exploration, we can manage the condition very effectively in terms explaining the prognosis of disease, morbidity of surgery, wound infection, and requirement of emergent nature of surgery. Aim of the study is to determine of role of hyperbilirubinemia as a new diagnostic marker to predict gangrenous/perforated appendicitis.Methods: It’s a retrospective study was conducted in the department of surgery, MMCRI, Mysore during the period of January 2015 to December 2015 total of 100 patients with clinical as well as ultrasonographic diagnosis of acute appendicitis or appendiceal perforation were made. The serum bilirubin test was carried out in all the patients pre-operatively.Results: In the study, the total 100 patients enrolled for the study, hyperbilirubinemia (> 1.2 mg/dL) in present study was found in 47 patients with 19 acute and 28 patients perforated appendicitis of all the 100 patients while 53 patients had normal bilirubin levels (≤ 1.2 mg/dL) 51 patients acute and 2 patients perforated appendix.Conclusions: Total serum bilirubin appears to be a new promising laboratory marker for diagnosing appendicular perforation. The patients with clinical signs and symptoms of appendicitis and with hyperbilirubinemia without elevation of liver enzymes should be identified as having a higher probability of appendicular perforation, suggesting total serum bilirubin levels have a predictive potential for the diagnosis of appendicular perforation.

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