Seasonal variations of acute appendicitis and nonspecific abdominal pain in Finland

Ilves, Imre; Fagerström, Anne; Herzig, Karl‐Heinz; Juvonen, Petri; Miettinen, Pekka; Paajanen, Hannu

doi:10.3748/wjg.v20.i14.4037

Cited by 55 publications

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“…Although numerous epidemiological studies on appendicitis have been conducted worldwide [6-13], only a few have focused on the effect of socioeconomic status (SES) on appendicitis and appendectomy [14-17]. Studies conducted specifically on the LIP are rare.…”

Section: Introductionmentioning

confidence: 99%

Epidemiology of appendicitis and appendectomy for the low-income population in Taiwan, 2003–2011

et al. 2015

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BackgroundAlthough numerous epidemiological studies on appendicitis have been conducted worldwide, only a few studies have paid attention to the effect of socioeconomic status on appendicitis, particularly studies focusing on the low-income population (LIP).MethodsWe analyzed the epidemiological features of appendicitis in Taiwan using data from the National Health Insurance Research Database from 2003 to 2011. All cases diagnosed as appendicitis were enrolled.ResultsBetween 2003 and 2011, 2,916 patients from the LIP and 209,206 patients from the normal population (NP) were diagnosed with appendicitis. Our finding revealed that the ratios of comorbidities, complicated appendicitis, and readmissions in LIP patients were slightly higher than those of NP patients. LIP patients were more likely to live in suburban and rural areas, and hence a higher proportion of them were hospitalized in a district or regional hospital compared with NP patients. The crucially finding was that the overall incidence ratios of appendicitis, acute appendicitis, and perforated appendicitis in the LIP were substantially higher than those in the NP (36.25%, 35.33%, and 37.28%, respectively). The mean LOS in LIP patients was longer than that of NP patients. The overall case-fatality ratio of appendectomy in the LIP was higher when compared with the NP (0.41% versus 0.12%, p < 0.05). We also observed that appendicitis was occurred frequently in male patients, with a higher incidence for those aged 15–29 years in both the LIP and NP. The incidences of incidental appendectomy showed a decreasing trend in both the LIP and NP. Finally, a valuable discovery was that the total hospital cost was comparable between the laparoscopic appendectomy (LA) and open appendectomy (OA) (1,178 ± 13 USD versus 1,191 ± 19 USD, p < 0.05) in LIP patients because they saved more hospitalization costs than NP patients when the previous one chose the LA.ConclusionThis study confirmed that a lower socioeconomic status has significantly negative impact on the occurrence and treatment of appendicitis and appendectomy. In terms of hospital costs and LOS, LIP patients benefit more from the LA approach than they do from the OA approach in the treatment of appendicitis.

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Section: Introductionmentioning

confidence: 99%

Epidemiology of appendicitis and appendectomy for the low-income population in Taiwan, 2003–2011

et al. 2015

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“…22,23 Keeping perspective of the seasonal pattern of acute appendicitis, the present investigation would like to prescribe that, in limited resource areas, the primary health centres can implement Modified Alvarado Scoring System as cost effective, simple, noninvasive tool and can be repeated with almost no cost. 24,25 Therefore, patients from low economic group as well as residing in remote low resource areas could be benefitted by implementation of MASS for avoiding misdiagnosis and improving emergency department evaluation and management in case of occurrence of typical symptoms of acute appendicitis.…”

Section: Discussionmentioning

confidence: 99%

Use and relevance of modified alvarado scoring system in diagnosis of acute appendicitis: a cross sectional study from West Bengal, India

Barman

Chanak

Das³

et al. 2019

Int J Adv Med

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Background: For successful management of acute appendicitis, early diagnosis and intervention is needed. Incorrect diagnosis may allow significantly increased morbidity and mortality. Several studies across the globe shows that Modified Alvarado Scoring System (MASS) does not need high end instrument and can be done in emergency situation for accessing acute appendicitis and reducing the chances of unnecessary surgery. To access the efficacy of MASS for diagnosis of acute appendicitis in remote areas with primary health care facilities, present study was done at Siliguri of Darjeeling district of West Bengal which was 580 km distant from state capital (Kolkata).Methods: A cross sectional study over a period of 16 months was conducted among the patients admitted at North Bengal Medical College and Hospital suspected to have acute appendicitis. The diagnosis was confirmed by histopathological examination. Written consent was obtained from the patients before commencement of the study. MASS was applied to the patients and the results were compared with histopathological findings. Appropriate statistical analysis has been done by SPSS (version 16.0).Results: A total of 75 patients (44 males and 31 females) were considered. The sensitivity and specificity of MASS in this study were 75.86% (71.43% for males and 80% for females) and 82.61% (80% for males and 87.5% for females) respectively. Study revealed statistically significant (p<0.000) association between Histopathological report and MASS.Conclusions: To reduce the chances of negative appendectomy and for better diagnosis of appendicitis, MASS may be more useful at primary health care centres those are located in remote areas as it was very simple, easy and cost effective.

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“…The reasons for the increased incidence rate of appendicitis in the summer are not yet understood. However, several assumptions have been proposed, including the impact of dehydration, bowel movements decreasing, infections or allergens on the reactivity of the lymphoid tissue in the appendix, the effects of diet and humidity, as well as changes in atmospheric pressure (23).…”

Section: Discussionmentioning

confidence: 99%

Epidemiological aspects of patients underwent appendectomy in Birjand, Iran, from May 2017 to 2019

et al. 2019

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Introduction: Appendectomy is one of the most performed surgeries worldwide. There are lots of factors involved in the incidence of appendicitis, and most of them vary among populations. Therefore, the present study aimed to evaluate the epidemiological aspects of appendicitis in Birjand, Iran, for the first time.Methods: This prospective study included 666 cases out of 673 acute appendicitis patients treated surgically in Imam Reza Hospital in Birjand, Iran, from May 2017 to 2019. The data were analyzed regarding gender, age groups, and season in SPSS software (version. 22) using a t-test and the Chi-square test. A p-value less than 0.05 was considered statistically significant. Results:The annual incidence of acute appendicitis in Birjand was 12.74 per 10.000 population with the mean age of 25.43±14.97 years. The highest frequency of appendectomy was observed in 11-20-year-old groups (32.1%) and then in 21-30-year-old groups (27.3%). The frequency of the appendectomy was higher in male than female (P=0.005), and the peak of the surgeries was in the summer. Moreover, the majority of the admitted patients in the summer were male (n=123), whereas the frequency of female patients in the autumn was higher than that of male (n=81). The most frequent pathological diagnosis in both genders was acute gangrenous appendicitis (i.e., 44% in female and 40% in male). Furthermore, the incidence rates of advanced stages of appendicitis, such as "acute supportive appendicitis and periappendicitis" and "acute supportive appendicitis and priappendicitis with perforation" were significantly higher in male than female (P<0.05). Conclusions:The findings of this study provide basic epidemiological information for the first time regarding appendicitis status in Birjand, Iran. Since the appendicitis was more frequent among youth and was more complicated in male, it is essential to inform these target groups about the signs and symptoms of this medical emergency.

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Seasonal variations of acute appendicitis and nonspecific abdominal pain in Finland

Abstract: The incidence of acute appendicitis is declining in Finland. We detected a clear seasonality in the incidence of AA and NSAP.

Cited by 55 publications

References 0 publications

Epidemiology of appendicitis and appendectomy for the low-income population in Taiwan, 2003–2011

Epidemiology of appendicitis and appendectomy for the low-income population in Taiwan, 2003–2011

Use and relevance of modified alvarado scoring system in diagnosis of acute appendicitis: a cross sectional study from West Bengal, India

Epidemiological aspects of patients underwent appendectomy in Birjand, Iran, from May 2017 to 2019

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