1Relationship between Gestational Sac Position and Scar Thickness in Early Pregnancy with Scarred Uterus and Con-current Placenta Previa and Placenta AccretaHUANG Xi-huan, ZHONG Dong-gao, GAN Yu-jie2181-2183,21872Risk Assessment and Prevention of Venous Thrombosis during Pregnancy and PuerperiumZHAO Cui-cui, MA Jin-qi2184-21873Analysis of the Influence of Placenta Accreta with Abnormal Placental Position on the Prognosis of Mother and ChildLI Li, PAN Mian, HUANG Xin-xin2188-21914Efficacy of Bovine Pulmonary Surfactant for Injection Combined with Nasal Continuous Positive Pressure Ventila-tion in the Treatment of Neonatal Hyaline Membrane Disease and its Effect on Respiratory MechanicsYU Huan-qiu, YU Wu-zhou2192-21945Clinical Application of Scanning Glucose Monitoring System in Blood Glucose Management of Diabetes PatientsLI Dong-ling2198-22006Effect of Transurethral Prostatectomy Combined with Pneumatic Lithotripsy in the Treatment of Patients with Prostatic Hyperplasia Complicated with Bladder StonesXIE Hai-lin2201-22047Observation and Analysis of Clinical Curative Effect of Tofatibu Combined with Yunke Needle in Rheumatoid Ar-thritisJIANG Ke-yue2205-22078Clinical Observation and Postoperative Infection Study of Partial Resection of Intestinal Canal with Radical Mastec-tomy for Ovarian CancerNIU Ya-dan2208-22109Clinical Effect of Pit and Fissure Sealing on Preventing Caries in Children's Sixth-year-old TeethPAN Ying2211-221310Clinical Effect Analysis of Adrenal Vein Blood Sampling in the Diagnosis and Treatment of Primary AldosteronismZHENG Wei2214-221611Application of Three-dimensional Ultrasound Volume Measurement Combined with Two-dimensional Ultrasound in the Diagnosis of Fetal Intrauterine Growth Restriction in Early PregnancyHU Ming-qian, FU Yan-ming, CHEN Jian-fa2217-2219,222312Significance of Color Doppler Ultrasound in Detecting Uterine Artery and Spiral Artery Hemodynamics in Patients with Missed AbortionZHAO Meng2220-222313Application of Scenario Simulation Intervention Mode in Patients with CT Coronary ImagingYI Min, LIN Zhen2224-222614Epidemiological Characteristics and Public Health Emergencies of Varicella in Heilongjiang Province from 2011 to 2021SUN Zhao-dan, CHEN Xin, WANG Xiao-yu2227-223015Application of Video Clip Combined with PBL Teaching Mode in Clinical Teaching of Spinal Cord and Peripheral Nerve InjuryHUANG Lin-hai, LIAO Chun-di, WEI Wei2235-223716Observation on the Application Effect of Treatment in Accordance with Three Categories of Etiologic Factors Teaching Mode in Clinical Nursing TeachingPAN Shu-hong, WANG Jin-cun, GUO Gui-xia2238-224017Application of Questionnaire-checked Health Education in Preventing Hyperkalemia in Hemodialysis PatientsHONG Dong-mei, ZHENG Hui-ling, ZHANG Dong-yan2241-224318Effects of Positive Psychological Theory on Mental State and Health Behavior of Patients with Chronic Heart FailureTIAN Xue-yan2244-224619Effect of Enhanced Recovery after Surgery Nursing Intervention on Postoperative Rehabilitation and Prognosis of Patients with Pancreatic CancerREN Qian, YUN Jing2247-224920Effect of Nursing Mode of Fast Track Surgery Combined with Clinical Nursing Path on Stress Reaction and Complication of Patients Undergoing Thyroid OperationCHEN Mei-qing, XIE Xiu-xiang, LI Chun-yan2250-2252 