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Open Access Original
Article
DOI: 10.7759/cureus.19894
Symptomatic Gallstones in Young Patients Under
the Age of 30 Years
Asif Ali 1 , Sughra Perveen 2 , Imran Khan 2 , Tanweer Ahmed 2 , Ali Nawaz 2 , Abdul Rab 2
Review began 11/01/2021
Review ended 11/23/2021
1. Department of Surgery, Jinnah Postgraduate Medical Centre, Karachi, PAK 2. Department of General Surgery, Jinnah
Postgraduate Medical Centre, Karachi, PAK
Published 11/25/2021
© Copyright 2021
Ali et al. This is an open access article
distributed under the terms of the Creative
Commons Attribution License CC-BY 4.0.,
Corresponding author: Asif Ali, aakhowaja09@gmail.com
which permits unrestricted use, distribution,
and reproduction in any medium, provided
the original author and source are credited.
Abstract
Introduction
Gallstones are deposits of digestive fluid that is hardened into small pellets. Gallstones can be symptomatic
or asymptomatic. The present study assessed the sociodemographic and clinical characteristics of patients
under the age of 30 years old with symptomatic gallstones.
Methodology
A prospective, observational study was conducted at Surgical Unit-3, at Jinnah Postgraduate Medical Centre
(JPMC), Pakistan, from July 2020 to July 2021. All patients suspected of having gallstone disease underwent
ultrasonic examination. A diagnosis of gallstone disease was made if the gallbladder showed a hyperechoic
mass casting a posterior acoustic shadow, with a change of position. All of the patients with gallstone
disease were hospitalized. The patients were asked about their age, past history (with special emphasis on
last pregnancy and years of oral contraceptive use, if any), socioeconomic status, and other demographic
data. The patients were treated with a cholecystectomy, either laparoscopic or open. Postcholecystectomy
complications, if any, were recorded.
Results
A total of 210 patients under the age of 30 years were included. The mean age of patients was 25 ± 3 years.
The majority of the population were females, i.e., 170 (81%). Upon assessing the risk factors, it was found
that 31.84% of the female patients had used oral contraceptives, 32.96% were pregnant at the time of
presentation, 20.48% had diabetes mellitus, and 27.14% had a history of gallstones. Furthermore, it was
found that about 114 (54.29%) patients were overweight with a body mass index (BMI) of 25-30 kg/m2. High
triglyceride levels and high cholesterol levels were found in 108 (51.43%) and 115 (54.76%) of the patients,
respectively, indicating a link between symptomatic gallstones and younger age.
Conclusion
Our study indicated that young people are prone to symptomatic gallstones. The rate of disease was
considerably high among females and in patients with high cholesterol and triglyceride levels and abnormal
body mass index. Further exploratory studies are needed to determine the cause of gallstones.
Categories: Gastroenterology, General Surgery, Public Health
Keywords: gallbladder, cholelithiasis, young patients, symptomatology, diabetes mellitus, obesity
Introduction
Gallstones are deposits of digestive fluid that is hardened into small pellets. Gallstones can be symptomatic
or asymptomatic [1]. The size of gallstones varies from grains of sand to golf balls. Gallstone attacks usually
cause vomiting, nausea, and pain in the stomach, ribs, and between the patients’ shoulders. In some severe
cases, it may cause complications such as acute pancreatitis, jaundice, bowel obstruction, and gallbladder
carcinoma and may require cholecystectomy [2,3].
Gallstone is a very common disease, and it has been classified into two types: cholesterol stone, which has
>70% cholesterol content, and pigment stone, which has <30% cholesterol content [4]. A study on
postoperative patients revealed that the rate of symptomatic cholelithiasis was 3.5%, with a mean duration
of symptoms of around 12 months. They revealed that sudden weight loss was a significant factor that led to
the development of cholelithiasis [5]. Females have a higher chance to develop cholelithiasis. This may be
due to hormonal and reproductive factors, i.e., oral contraceptives and pregnancy. Another study from India
revealed that the incidence of cholelithiasis is 21.76% among patients who underwent a bariatric procedure
[6].
Literature showed that cholelithiasis is strongly related to body mass index (BMI) [7,8]. This may be due to
How to cite this article
Ali A, Perveen S, Khan I, et al. (November 25, 2021) Symptomatic Gallstones in Young Patients Under the Age of 30 Years. Cureus 13(11):
e19894. DOI 10.7759/cureus.19894
increased fat consumption and less physical activity. The prevalence of gallstones is also very common in
the upper and middle socioeconomic class due to their dietary habits and obesity. The treatment of gallstone
depends upon how many symptoms a patient is showing [9,10]. For symptomatic gallstones, surgery is
performed to remove gallstones from the gallbladder. However, due to the scarcity of local literature, we
cannot ascertain the epidemiology of gallstones in the younger Pakistani population. Thus, the current study
was conducted to find the sociodemographic and clinical characteristics of young patients with symptomatic
gallstones.
Materials And Methods
From July 2020 to July 2021, a prospective, descriptive study was conducted at Surgical Unit-3, at Jinnah
Postgraduate Medical Centre (JPMC). The ethical committee of JPMC granted approval for this study with
the reference number F9-98-IRB-2018-G/28867/JPMC. A total of 210 patients under the age of 30 years,
irrespective of gender, with a diagnosed gallstone disease were included in the study group. Informed
written consent was obtained from all patients. All those who presented with the symptomatology of biliary
colic without any evidence of gallstones were excluded.
All patients suspected of having gallstone disease underwent ultrasonic examination. A fasting period of 12
hours was required prior to the examination, which was carried out in the supine position. A diagnosis of
gallstone disease was made if the gallbladder showed a hyperechoic mass casting a posterior acoustic
shadow, with a change of position. All of the patients with gallstone disease were hospitalized. Each
participant was personally interviewed by trained interviewers.
The patients were asked about their age, past history (with special emphasis on last pregnancy and years of
oral contraceptive use, if any), socioeconomic status, and other demographic data. Family histories of
gallstones and diabetes mellitus were also determined. Basic data on weight with the patient clothed and
height without shoes was documented. Body mass index (kg/m2) was calculated as a measure of obesity. The
patients were categorized as normal weight when their BMI is less than 25, overweight when their BMI is
25-30, and obese when their BMI exceeds more than 30.
All patients underwent laboratory analysis for a complete blood picture with reticulocyte count, serum
transaminases, bilirubin level, and fasting lipid profile. The patients were treated with a cholecystectomy,
either laparoscopic or open. Postcholecystectomy complications, if any, were recorded. Data were recorded
and analyzed using the Statistical Package for the Social Sciences (SPSS) version 16.0. Descriptive statistics
were calculated for both qualitative and quantitative variables. Mean ± SD was calculated for demographic
data.
Results
A total of 210 patients under the age of 30 years were included. The mean age of the patients was 24.65 ±
3.25 years. The majority of the population were females, i.e., 170 (80.9%) (Table 1).
Characteristics
n (%)
Gender
Male
40 (19.04%)
Female
170 (80.9%)
Age
24.65 ± 3.254
Socioeconomic status
Lower
33 (15.71%)
Middle
136 (64.76%)
Upper
41 (19.52%)
TABLE 1: Characteristics of the Study Population
The most frequent symptom the patient presented with was biliary colic (n = 59, 28.1%), followed by chronic
cholecystitis (n = 46, 21.9%) and then acute cholecystitis (n = 38, 18.1%) (Table 2).
2021 Ali et al. Cureus 13(11): e19894. DOI 10.7759/cureus.19894
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Symptoms
n (%)
Biliary colic
59 (28.1%)
Acute cholecystitis
38 (18.1%)
Chronic cholecystitis
46 (21.9%)
Acute chronic cholecystitis
26 (12.38%)
Acute pancreatitis
34 (16.19%)
Choledocholithiasis
7 (3.33%)
Cholecystoenteric fistula
0 (0%)
Biliary ileus
0 (0%)
TABLE 2: Symptoms Presented by the Study Population
Upon assessing the risk factors, 31.84% of the patients had used oral contraceptives, 32.96% were pregnant,
20.48% had diabetes mellitus, and 27.14% had a history of gallstones. Furthermore, about 114 (54.29%)
patients were overweight, with a body mass index of 25-30 kg/m2. High triglyceride levels and high
cholesterol levels were found in the majority of our study population, which indicated a link between
symptomatic gallstones and younger age (Table 3).
2021 Ali et al. Cureus 13(11): e19894. DOI 10.7759/cureus.19894
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Gallstones
Risk factor
n (%)
Oral contraceptive usage
Yes
57 (31.84%)
No
122 (68.16%)
Pregnancy
Yes
59 (32.96%)
No
120 (67.04%)
Diabetes mellitus
Yes
43 (20.48%)
No
167 (79.52%)
History of gallstones
Yes
57 (27.14%)
No
153 (72.86%)
Socioeconomic status
Lower
33 (15.71%)
Middle
136 (64.76%)
Upper
41 (19.52%)
Body mass index (kg/m2)
<25 (normal)
74 (35.24%)
25–30 (overweight)
114 (54.29%)
>30 (obese)
22 (10.48%)
Cholesterol level (mg/dL)
<200
95 (45.24%)
>200
115 (54.76%)
Triglyceride level (mg/dL)
<150
102 (48.57%)
>150
108 (51.43%)
TABLE 3: Distribution of Risk Factors Associated With the Incidence of Gallstones Among the
Participants
Discussion
In our study, we found that young people (mean age: 24.65 ± 3.25 years) are more prone to symptomatic
gallstones. Gallstones are the most common pathology of the hepatobiliary system with a high prevalence
rate among females (80.9%) as compared with males (19.04%). Females were more commonly seen with this
disease due to a number of factors such as oral contraceptive use and pregnancy. The incidence of this
disease in young individuals has increased so rapidly, which in turn costs a lot to the healthcare system,
especially in a third-world country such as Pakistan.
A similar study to ours was conducted by Shafique et al., in which 48.13% of the patients were from an age
group below 30 years of age [11]. The study discussed factors such as high body mass index (BMI) and
dyslipidemia to be important prognostic factors for gallstones. This was similar to our study, in which 114
2021 Ali et al. Cureus 13(11): e19894. DOI 10.7759/cureus.19894
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(54.29%) of the population was overweight, and cholesterol levels greater than 200 mg/dL were seen in 115
(54.76%) of the participants. Constantinescu et al. identified patients between the ages of 16 and 25 and
found obesity, pregnancy, age, and female gender as important risk factors for the development of
gallstones for this age group [12]. The authors also identified that the most commonly seen complications of
the disease in young individuals were acute pancreatitis and the presence of stones in the duct. Similarly,
Kim et al. studied the young population of Korea, where causes of obesity, such as high BMI, cholesterol,
HDL levels, LDL levels, and size of the waist, were risk factors for the development of disease in the young
population [13]. These findings were similar to other studies [14,15].
Another study by Sun et al. found that middle- to high-income class individuals was more at risk for
developing gallstones [16]. In the present study, individuals belonging to the middle class were more prone
to developing gallstones. Sun et al., however, found old age to be a significant contributor to the
development of gallstones, not in adolescents below 19 years of age. The elderly were commonly seen with
gallstone disease; this was attributed to the aging and sedentary lifestyle of the elderly population. Similarly,
Mora-Guzmán et al. revealed that elderly patients were at a higher risk of developing gallstones and
gallstone-related complications along with recurrence of gallstones in one-third of patient follow-ups [17].
Overall, our study coincided very well with the current literature. Nevertheless, the study had some
limitations. For instance, a larger sample size would have permitted more insight into the factors leading to
gallstone formation in the young populations.
Conclusions
Our study indicated that young people are prone to hepatobiliary issues, with gallstones being the most
frequent. The rate of disease was considerably high among females and in patients with high cholesterol and
triglyceride levels and abnormal body mass index. Further exploratory studies are needed to determine the
cause of gallstones.
Additional Information
Disclosures
Human subjects: Consent was obtained or waived by all participants in this study. Jinnah Postgraduate
Medical Centre issued approval F9-98-IRB-2018-G/28867/JPMC. This is to inform you that the study topic
entitled "Symptomatic Gallstone in Young Patients Under the Age of 30 Years" has been approved by the
committee. Animal subjects: All authors have confirmed that this study did not involve animal subjects or
tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the
following: Payment/services info: All authors have declared that no financial support was received from
any organization for the submitted work. Financial relationships: All authors have declared that they have
no financial relationships at present or within the previous three years with any organizations that might
have an interest in the submitted work. Other relationships: All authors have declared that there are no
other relationships or activities that could appear to have influenced the submitted work.
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