• Department of General Surgery ICU, The First Affiliated Hospital with Nanjing Medical University (Jiangsu Provincial People’s Hospital), Nanjing 210029, P. R. China;
ZHANG Ru, Email: ruzhang1075@163.com
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Objective  To explore the incidence and severity of diverse clinical symptoms in patients with severe acute pancreatitis (SAP), construct a symptom correlation network model, accurately identify core symptoms within the network, and classify symptom clusters. Methods A convenience sampling method was adopted. A total of 211 patients with SAP admitted to the First Affiliated Hospital with Nanjing Medical University (Jiangsu Provincial People’s Hospital) from January 2024 to December 2025 were enrolled. The memorial symptom assessment scale was used for evaluation to investigate the composition of clinical symptoms in SAP patients. Exploratory factor analysis was performed to extract symptom clusters. R 4.4.2 software was applied to construct symptom clusters network. Centrality indicators including strength, betweenness and closeness were analyzed to identify core symptoms and core symptom clusters. Results A total of three symptom clusters were extracted in this study, including the gastrointestinal symptom cluster (abdominal pain, abdominal distension, dyspnea, dry mouth, nausea, vomiting, diarrhea, constipation, dizziness), the fatigue symptom cluster (lack of energy, difficulty concentrating, drowsiness), and the psychological symptom cluster (anxiety, sleep disturbance, irritability, sadness, distress). Among them, anxiety [95.7% (202/211)], difficulty concentrating [94.8% (200/211)], lack of energy [92.4% (195/211)], and abdominal pain [90.0% (190/211)] were identified as core symptoms. Symptoms with high strength values included anxiety (rs=2.2), difficulty concentrating (rs=1.2), and dyspnea (rs=1.0); symptoms with high closeness centrality values included drowsiness (rc=1.8), difficulty concentrating (rc=1.7), and anxiety (rc=1.1); symptoms with high betweenness centrality values included difficulty concentrating (rb=2.3), anxiety (rb=2.0), and drowsiness (rb=1.5). Conclusions Anxiety, difficulty concentrating, lack of energy, and abdominal pain were identified as the core symptoms within the symptom clusters of SAP patients, with the fatigue symptom cluster being the core symptom cluster. It is recommended that medical staff pay close attention to the manifestations of core symptoms in SAP patients during treatment and formulate targeted symptom management plans.

Citation: WANG Shushu, ZHANG Ru. Network analysis of core symptoms and symptom clusters in patients with severe acute pancreatitis. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2026, 33(8): 1079-1083. doi: 10.7507/1007-9424.202603143 Copy

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