Is there a seasonal distribution of acute appendicitis in Iraqi children?

Al‐Mendalawi, Mahmood Dhahir; Lattuf, Maha A

doi:10.4103/1110-2098.215442

Cited by 3 publications

(5 citation statements)

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“…The prevalence of cute appendicitis was moderately positive and negatively correlated with rainfall and sunlight hours. Our findings align with previous studies conducted on this issue in Nigeria (24), Cameroon(23),UK (28), Pakistan(30), India(7), Bahrain(10), Nepal(27), Irag(29), Iran(32). other studies reported higher prevalence of acute appendicitis during the Winter and Autumn season in Yemen (26), winter and autumn in Turkey (39).…”

Section: Discussionsupporting

confidence: 92%

Seasonal Variations and the Associated Factors of Acute Appendicitis at a Tertiary Hospital: A Case of SPHMMC, Addis Ababa, Ethiopia

Daniel,

Negash

2024

Preprint

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Background: Acute appendicitis, a surgical emergency, is a prevalent pathology with uncertain etiology, influenced by various factors and seasonal variations. Objective: To determine the seasonal variations and the associated factors of Acute Appendicitis. Methods: The study analyzed demographic features, seasonal variation, length of hospital stay, and surgical treatment outcomes in 384 patients from 2021-2022. The patients were presented in four different seasons; December-February as winter, March-May as autumn, June-August as summer, and September-Nov as spring, which were assessed to describe seasonal variation and compare to what are observed in other countries. SPSS version 28 was used for all the statistical assessments and analyses. Results: Out of all 384 patients, 64.3% were males and 35.7% were females. The mean age was 20.8, male: female, 1.8:1. The majority of patients were in their 2nd and 3rd decades of life, and more common in the male 10–19 age group (22.1%). 23.9% of cases were observed in autumn, 22.7% in winter, 20.6% in spring, and 32.8% in summer. 10.1% increase in summer as compared to winter, 8.9% increase as compared to autumn, and 12.2% increase as compared to spring. The highest admissions were in the summer (32.8%). July had the highest number of cases (12.5%), which coincided with heavy rainy months, the rainiest days, and the lowest sunlight hours. The highest rainfall was observed in July (386mm) and August (491 mm), and the lowest sunlight hours were observed in July (6.1 hours) and August (5.9 hours), respectively. Monthly cases correlated positively with rainfall (Pearson’s R =.637, p<.05) and negatively with sunlight hours (Pearson’s R = -.618, p<.05). Complicated cases were slightly more common (50.9%), more in the 10–19 age group. Males had more complicated cases (38.3%) than females (20.8%). Complicated cases tend to present after 48 hours. The commonest postoperative complication was wound infection (5.5%). The mean length of hospital stay was 2.47 days, with no death was reported in the study period. Conclusion: Peak appendicitis in summer is linked to rainfall and sunlight hours, affecting the 11-20 age groups.

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Section: Discussionsupporting

confidence: 92%

Seasonal Variations and the Associated Factors of Acute Appendicitis at a Tertiary Hospital: A Case of SPHMMC, Addis Ababa, Ethiopia

Daniel,

Negash

2024

Preprint

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“…The peak incidence of AAp occurs between 10 and 30 years. [1,4,[6][7][8][9] The overall and perforated AAp incidence was 84.2-102.69 and 19.4-27.2 per 100,000 persons/year, respectively. The lifetime incidence of AAp is 8.6% in men and 6.7% in women, whereas the lifetime risk of undergoing an appendectomy is 12% for men and 23% for women.…”

Section: Discussionmentioning

confidence: 97%

“…Although many studies have suggested an increased incidence in hot, summer months, other studies have reported an increased incidence in cold, winter months. [3,7,11,12] Although rare, some studies have indicated that the AAp incidence peaks in two seasons. [3,7] The most notable reasons for increased AAp incidence in summer months include high humidity, great fluctuations of air temperature, radiation emitted by sunlight, pollen exposure, allergic reactions, air pollution, high carbohydrate consumption, excessive alcohol intake, a low fiber diet and fast food consumption, and an increased incidence of gastrointestinal infections (viral, bacterial, and parasitic).…”

Section: Discussionmentioning

confidence: 99%

“…[3,7,11,12] Although rare, some studies have indicated that the AAp incidence peaks in two seasons. [3,7] The most notable reasons for increased AAp incidence in summer months include high humidity, great fluctuations of air temperature, radiation emitted by sunlight, pollen exposure, allergic reactions, air pollution, high carbohydrate consumption, excessive alcohol intake, a low fiber diet and fast food consumption, and an increased incidence of gastrointestinal infections (viral, bacterial, and parasitic). [3,5,11,13] The most important causes of increased AAp incidence in winter include high altitude, diagnosis delay, difficulty reaching the hospital, socioeconomic factors, and dietary habits.…”

Section: Discussionmentioning

confidence: 99%

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Assessment of demographic, clinical, and histopathological features of patients who underwent appendectomy due to a presumed diagnosis of acute appendicitis

Akbulut

Bahçe

Öztaş

et al. 2020

Ulus Travma Acil Cerrahi Derg

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BACKGROUND:To compare the clinical, biochemical, and histopathological features of patients who underwent appendectomy due to a presumed diagnosis of acute appendicitis (AAp). METHODS:The demographic, biochemical and histopathological data of 8206 patients who underwent appendectomy for AAp between January 2006 and March 2014 were retrospectively analyzed in this study. Patients were compared regarding the following characteristics: disruption by season (autumn vs. winter vs. spring vs. summer), working days (weekdays vs. weekends), histopathological findings (AAp vs. normal appendix [NAp]) and histopathological subgroup (non-perforated AAp vs. perforated AAp vs. NAp). RESULTS:Of the 8206 patients aged between 16 and 89 years, 4763 (58.0%) were male. Appendectomy distribution by season was as follows: autumn (n=1959; 23.9%), winter (n=2062; 25.1%), spring (n=2061; 25.1%) and summer (n=2124, 25.9%). NAp rates were higher in summer than those in other seasons. White blood cell (WBC) and neutrophil levels were significantly higher in autumn and winter compared with those in other seasons. In total, 6120 (74.6%) appendectomies occurred on weekdays and 2086 (25.4%) on weekends. WBC and neutrophil levels were significantly higher on weekends than those on weekdays. Appendectomy distribution by histopathological groups as follows: AAp (n=7414; 90.3%) and NAp (n=792; 9.7%). Appendectomy distribution by histopathological subgroups was as follows: non-perforated AAp (n=6966; 84.9%), perforated AAp (n=448; 5.5%), and NAp (n=792; 9.7%). WBC, neutrophil, and TBil levels in the non-perforated and perforated AAp groups were significantly higher than in the NAp group. While most of the patients with perforated AAp (62.1%) and non-perforated AAp (59.6%) were males, most of the patients with NAp (58.1%) were females. CONCLUSION:This study suggests that a relationship exists between demographic features, histopathological findings of appendectomy specimens, seasons, days of the week, and working days in patients undergoing appendectomy.

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“…More acute appendicitis cases in children during summer months and lower during spring/autumn seasons have been reported from India, Pakistan, Iraq, China, Taiwan, Italy, Germany, Canada and the USA. [32][33][34][35][36][37][38][39] Among Chinese children, associations between acute appendicitis and temperature (p<0.01), humidity (p<0.01) and sunshine (p<0.01) were documented to support the seasonal variation. 35 Similar to intussusception, the appendicitis incidence has also declined in developed countries over decades, possibly due to changes in hygiene, sanitation, dietary practices, access to healthcare and reduction in infectious diseases.…”

Section: Discussionmentioning

confidence: 99%

Association of meteorological parameters with intussusception in children aged under 2 years: results from a multisite bidirectional surveillance over 7 years in India

Das

2021

BMJ Open

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ObjectivesThe study aimed to document the association between intussusception in Indian children and meteorological parameters and examine regional variations.DesignA bidirectional (retrospective and prospective) surveillance between July 2010 and September 2017.SettingAt 20 hospitals in India, retrospective case record review during July 2010 and March 2016 and prospective surveillance during April 2016 and September 2017 were performed.Participants2161 children aged 2–24 months with first intussusception episode were included.InterventionsThe monthly mean meteorological parameters (temperature, sunshine, rainfall, humidity and wind speed) for the study sites were collected.MethodsThe association between monthly intussusception cases and meteorological parameters was examined at pooled, regional and site levels using Pearson (r) and Spearman’s rank-order (ρ) correlation, factorial analysis of variance, and Poisson regression or negative binomial regression analyses.ResultsThe intussusception cases were highest in summer and lowest in autumn seasons. Pearson correlation analysis showed that temperature (r=0.056; p<0.05), wind speed (r=0.134; p<0.01) and humidity (r=0.075; p<0.01) were associated with monthly intussusception cases. Spearman’s rank-order correlation analysis found that temperature (ρ=0.049; p<0.05), wind speed (ρ=0.096; p<0.01) and sunshine (ρ=0.051; p<0.05) were associated with monthly intussusception cases. Poisson regression analysis resulted that monthly intussusception case was associated with rising temperature (North region, p<0.01 and East region, p<0.05), sunshine (North region, p<0.01), humidity (East region, p<0.01) and wind speed (East region, p<0.01). Factorial analysis of variance revealed a significant seasonal difference in intussusception cases for pooled level (p<0.05), 2–6 months age group (p<0.05) and North region (p<0.01). Significant differences in intussusception cases between summer and autumn seasons were observed for pooled (p<0.01), children aged 2–6 months (p<0.05) and 7–12 months (p<0.05).ConclusionsSignificant correlations between intussusception cases and temperature, humidity, and wind speed were observed at pooled and regional level in India. A peak in summer months was noted, which may be used for prediction, early detection and referral for appropriate management of intussusception.

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Is there a seasonal distribution of acute appendicitis in Iraqi children?

Cited by 3 publications

References 0 publications

Seasonal Variations and the Associated Factors of Acute Appendicitis at a Tertiary Hospital: A Case of SPHMMC, Addis Ababa, Ethiopia

Seasonal Variations and the Associated Factors of Acute Appendicitis at a Tertiary Hospital: A Case of SPHMMC, Addis Ababa, Ethiopia

Assessment of demographic, clinical, and histopathological features of patients who underwent appendectomy due to a presumed diagnosis of acute appendicitis

Association of meteorological parameters with intussusception in children aged under 2 years: results from a multisite bidirectional surveillance over 7 years in India

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