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  • A Case of Color Doppler Ultrasound Diagnosis of Carotid Body Tumor

    Chun-Ming Chang

    Carotid body tumor is a rare type of paraganglioma that occurs outside the sheath of the carotid artery, with a predilection for individuals aged 40 to 60, and an equal incidence in both men and women. Due to limited understanding of carotid body tumors, they are often missed or misdiagnosed on ultrasound examination. Although most carotid body tumors grow slowly, their special location in the neck, rich blood supply, and the difficulty of surgery, combined with a certain tendency for malignant transformation, have led to increasing clinical attention to carotid body tumors, making early diagnosis of vital clinical significance. This paper presents a retrospective analysis of a case of carotid body tumor, aiming to explore the diagnostic value of color Doppler ultrasound in the diagnosis of carotid body tumors.

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  • Observation of the Clinical Efficacy of Metformin and Pioglitazone in the Treatment of Type 2 Diabetes Mellitus Complicated with Coronary Heart Disease

    Elias Abula, Shan Gao

    Objective: To analyze the application effects of metformin and pioglitazone in the treatment of type 2 diabetes mellitus (T2DM) complicated with coronary heart disease (CHD). Methods: A total of 82 patients with T2DM and CHD from November 2022 to November 2023 were selected for the study. Using a random number table, they were evenly divided into a control group (41 cases treated with pioglitazone) and an observation group (41 cases treated with a combination of metformin and pioglitazone). The clinical efficacy of the two groups was compared. Results: The incidence of adverse reactions in both groups was basically the same (P>0.05); the observation group showed significantly lower rates of complications, fasting plasma glucose (FPG), 2-hour postprandial glucose (2hPG), glycated hemoglobin (HbA1c), homeostasis model assessment of insulin resistance (HOMA-IR), total cholesterol (TC), triglycerides (TG), and Gensini score than the control group (P<0.05). Conclusion: Compared with monotherapy, the combined use of pioglitazone and metformin can enhance the clinical efficacy in treating T2DM complicated with CHD, regulate lipid indicators, and has potential for promotion.

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