1.Research progress on the application of artificial intelligence in minimally invasive surgery
Longfei GOU ; Chang CHEN ; Bo′er SU ; Wenhao WU ; Haijun DENG ; Jiang YU ; Guoxin LI ; Yanfeng HU ; Hao CHEN
Chinese Journal of Digestive Surgery 2025;24(5):599-608
With the rapid development of minimally invasive techniques in surgery, arti-ficial intelligence (AI), particularly deep learning, is playing an increasingly important role in mini-mally invasive surgery. By automated analysis of surgical videos, AI can efficiently perform key tasks such as instrument recognition, surgical phase identification, action analysis, anatomical structure recognition, intraoperative diagnosis, adverse event monitoring and smart desmoking. These appli-cations provide essential support for real-time monitoring, surgical navigation and skill assessment during surgery. The authors summarize the current research progress of AI in minimally invasive surgery, including its applications in the fields of hepatobiliary and pancreatic surgery, as well as gastrointestinal surgery. It also explores the potential of AI in enhancing surgical safety, efficiency and skill assessment. By synthesizing the latest research achievements of AI technology in the field of surgery, as well as analyzing its technical challenges and risks, it aims to provide guidance for future innovations and clinical applications, promoting the advancement and implementation of AI in minimally invasive surgery.
2.A case report of recurrent posterior circulation infarction caused by bilateral bow hunter's syndrome
Jun ZHANG ; Huan ZHANG ; Pingping WANG ; Yuan WANG ; Ting YANG ; Qingfeng MA ; Longfei WU
Chinese Journal of Cerebrovascular Diseases 2025;22(9):631-635
Bow hunter's syndrome,also referred to as rotational vertebral artery occlusion syndrome,is a rare etiological factor of posterior circulation infarction.This article reported a case of a young male patient who experienced recurrent posterior circulation infarctions caused by bilateral bow hunter's syndrome.Carotid ultrasonography confirmed a marked reduction in blood flow velocity in both vertebral arteries during neck rotation.High-resolution MR angiography and CT angiography of the head and neck revealed dissection involving the V3 segment of the left vertebral artery.The findings suggested that bow hunter's syndrome may be associated with thrombus formation secondary to repetitive mechanical compression of the vertebral artery intima,which could potentially lead to arterial embolism and subsequent cerebral infarction.This paper presents the patient's diagnostic and therapeutic course and includes a review of relevant literature aimed to enhance clinical awareness and understanding of this uncommon condition.
3.Research advances on chondrocyte apoptosis in osteoarthritis
Jiwei HUANG ; Longfei WU ; Yuhao ZHAO ; Haiyan ZHAO
Chinese Journal of Orthopaedics 2025;45(18):1217-1226
Osteoarthritis is a chronic inflammatory disease characterized by damage to the articular cartilage, synovitis, and subchondral bone remodeling. Its pathological mechanisms involve extracellular matrix degradation, cell apoptosis, autophagy, and inflammatory responses. Among these, dysregulated apoptosis is a central driver of disease progression, making chondrocyte apoptosis a critical therapeutic target. This review summarizes current understanding of OA pathogenesis. Pro-inflammatory cytokines [e.g., interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and IL-6] exacerbate cartilage catabolism by activating signaling pathways like NF-κ B and MAPK. Chemokines, including the C-C motif chemokine ligand (CCL) family and the C-X-C motif chemokine ligand (CXC) family, amplify the inflammatory cascade by recruiting inflammatory cells, thereby contributing to the pathological process of osteoarthritis. In the study of programmed cell death, apoptosis is divided into extrinsic (death receptor pathway) and intrinsic (mitochondrial pathway) types. Both pathways induce chondrocyte apoptosis by activating the caspase cascade. Reactive oxygen species and inflammatory factors can promote excessive chondrocyte apoptosis through these pathways. Therapeutic strategies targeting apoptosis are diverse and include non-coding RNAs (miRNA, lncRNA, circRNA) that inhibit apoptosis by regulating related signaling pathways; phytochemicals that exert anti-inflammatory and anti-apoptotic effects; exosomes that suppress apoptosis by modulating immune responses and metabolism; and proteins/cytokines as well as melatonin, which protect chondrocytes by regulating specific signaling pathways. Clinical studies suggest these approaches hold promise for precision and personalized therapy, though challenges such as high cost, off-target effects, and drug resistance remain. In addition, drug delivery systems based on biomaterials (hydrogels) and nanotechnology can improve drug bioavailability and targeting. For example, drug-loaded hydrogels enable sustained release, and nanoparticles enhance drug stability and delivery efficiency, offering new perspectives for the treatment of osteoarthritis.
4.A case report of recurrent posterior circulation infarction caused by bilateral bow hunter's syndrome
Jun ZHANG ; Huan ZHANG ; Pingping WANG ; Yuan WANG ; Ting YANG ; Qingfeng MA ; Longfei WU
Chinese Journal of Cerebrovascular Diseases 2025;22(9):631-635
Bow hunter's syndrome,also referred to as rotational vertebral artery occlusion syndrome,is a rare etiological factor of posterior circulation infarction.This article reported a case of a young male patient who experienced recurrent posterior circulation infarctions caused by bilateral bow hunter's syndrome.Carotid ultrasonography confirmed a marked reduction in blood flow velocity in both vertebral arteries during neck rotation.High-resolution MR angiography and CT angiography of the head and neck revealed dissection involving the V3 segment of the left vertebral artery.The findings suggested that bow hunter's syndrome may be associated with thrombus formation secondary to repetitive mechanical compression of the vertebral artery intima,which could potentially lead to arterial embolism and subsequent cerebral infarction.This paper presents the patient's diagnostic and therapeutic course and includes a review of relevant literature aimed to enhance clinical awareness and understanding of this uncommon condition.
5.The short-term efficacy of modified anterior pelvic ring internal fixator in the treatment of anterior pelvic ring injuries
Longfei YE ; Peishuai ZHAO ; Xiaotian CHEN ; Jianzhong GUAN ; Xiaopan WANG ; Min WU
Chinese Journal of Orthopaedic Trauma 2025;27(9):751-757
Objective:To evaluate the short-term efficacy of our modified anterior pelvic ring internal fixator(INFIX) in the treatment of anterior pelvic ring injuries.Methods:A retrospective study was conducted to analyze the clinical data from the 16 patients with pelvic anterior ring injury who had been treated with our modified INFIX at Department of Orthopaedics, The First Hospital Affiliated to Bengbu Medical University from June 2020 to June 2023. There were 9 males and 7 females with an age of (49.1±14.3) years. According to the AO/OTA classification, 10 cases were of type B2 and 6 cases of type C1. Their time from injury to surgery was (7.6±2.9) days. Fixation with our modified INFIX was as follows: Three pedicle screws were inserted into the anterior inferior iliac spine on one side and into the pubic symphysis on both sides. Next, a subcutaneous tunnel was created from the anterior inferior iliac spine incision toward the pubic symphysis, and connecting rods were inserted for fixation. The surgical incision length, intraoperative blood loss, surgical time, postoperative fracture reduction quality, fracture healing time, incidence of complications during follow-up, and pelvic functional recovery at the last follow-up were recorded in this cohort.Results:In this cohort, surgical incision length was (5.8±0.4) cm, intraoperative blood loss (75.4±11.9) mL, and surgical time (66.1±8.9) min. By the end of one week after surgery, the quality of fracture reduction was evaluated according to the Matta scoring criteria as excellent in 11 cases and as good in 5 cases. All patients were followed up for (17.4±3.1) months after surgery. The fractures got united in all the 16 patients after (11.2±1.2) weeks. At the last follow-up, the pelvic function recovery was evaluated according to the Majeed scoring system as excellent in 13 cases and as good in 3 cases, yielding a Majeed score of (90.1±4.2) points. During the follow-up period, no patient developed complications such as nerve injury, wound infection, or loosening, breakage or withdrawal of internal fixation devices.Conclusion:In the treatment of anterior pelvic ring injuries, our modified INFIX has the advantages of few complications, simple operation and minimal invasion, leading to good short-term efficacy.
6.Research advances on chondrocyte apoptosis in osteoarthritis
Jiwei HUANG ; Longfei WU ; Yuhao ZHAO ; Haiyan ZHAO
Chinese Journal of Orthopaedics 2025;45(18):1217-1226
Osteoarthritis is a chronic inflammatory disease characterized by damage to the articular cartilage, synovitis, and subchondral bone remodeling. Its pathological mechanisms involve extracellular matrix degradation, cell apoptosis, autophagy, and inflammatory responses. Among these, dysregulated apoptosis is a central driver of disease progression, making chondrocyte apoptosis a critical therapeutic target. This review summarizes current understanding of OA pathogenesis. Pro-inflammatory cytokines [e.g., interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and IL-6] exacerbate cartilage catabolism by activating signaling pathways like NF-κ B and MAPK. Chemokines, including the C-C motif chemokine ligand (CCL) family and the C-X-C motif chemokine ligand (CXC) family, amplify the inflammatory cascade by recruiting inflammatory cells, thereby contributing to the pathological process of osteoarthritis. In the study of programmed cell death, apoptosis is divided into extrinsic (death receptor pathway) and intrinsic (mitochondrial pathway) types. Both pathways induce chondrocyte apoptosis by activating the caspase cascade. Reactive oxygen species and inflammatory factors can promote excessive chondrocyte apoptosis through these pathways. Therapeutic strategies targeting apoptosis are diverse and include non-coding RNAs (miRNA, lncRNA, circRNA) that inhibit apoptosis by regulating related signaling pathways; phytochemicals that exert anti-inflammatory and anti-apoptotic effects; exosomes that suppress apoptosis by modulating immune responses and metabolism; and proteins/cytokines as well as melatonin, which protect chondrocytes by regulating specific signaling pathways. Clinical studies suggest these approaches hold promise for precision and personalized therapy, though challenges such as high cost, off-target effects, and drug resistance remain. In addition, drug delivery systems based on biomaterials (hydrogels) and nanotechnology can improve drug bioavailability and targeting. For example, drug-loaded hydrogels enable sustained release, and nanoparticles enhance drug stability and delivery efficiency, offering new perspectives for the treatment of osteoarthritis.
7.Research progress on the application of artificial intelligence in minimally invasive surgery
Longfei GOU ; Chang CHEN ; Bo′er SU ; Wenhao WU ; Haijun DENG ; Jiang YU ; Guoxin LI ; Yanfeng HU ; Hao CHEN
Chinese Journal of Digestive Surgery 2025;24(5):599-608
With the rapid development of minimally invasive techniques in surgery, arti-ficial intelligence (AI), particularly deep learning, is playing an increasingly important role in mini-mally invasive surgery. By automated analysis of surgical videos, AI can efficiently perform key tasks such as instrument recognition, surgical phase identification, action analysis, anatomical structure recognition, intraoperative diagnosis, adverse event monitoring and smart desmoking. These appli-cations provide essential support for real-time monitoring, surgical navigation and skill assessment during surgery. The authors summarize the current research progress of AI in minimally invasive surgery, including its applications in the fields of hepatobiliary and pancreatic surgery, as well as gastrointestinal surgery. It also explores the potential of AI in enhancing surgical safety, efficiency and skill assessment. By synthesizing the latest research achievements of AI technology in the field of surgery, as well as analyzing its technical challenges and risks, it aims to provide guidance for future innovations and clinical applications, promoting the advancement and implementation of AI in minimally invasive surgery.
8.The short-term efficacy of modified anterior pelvic ring internal fixator in the treatment of anterior pelvic ring injuries
Longfei YE ; Peishuai ZHAO ; Xiaotian CHEN ; Jianzhong GUAN ; Xiaopan WANG ; Min WU
Chinese Journal of Orthopaedic Trauma 2025;27(9):751-757
Objective:To evaluate the short-term efficacy of our modified anterior pelvic ring internal fixator(INFIX) in the treatment of anterior pelvic ring injuries.Methods:A retrospective study was conducted to analyze the clinical data from the 16 patients with pelvic anterior ring injury who had been treated with our modified INFIX at Department of Orthopaedics, The First Hospital Affiliated to Bengbu Medical University from June 2020 to June 2023. There were 9 males and 7 females with an age of (49.1±14.3) years. According to the AO/OTA classification, 10 cases were of type B2 and 6 cases of type C1. Their time from injury to surgery was (7.6±2.9) days. Fixation with our modified INFIX was as follows: Three pedicle screws were inserted into the anterior inferior iliac spine on one side and into the pubic symphysis on both sides. Next, a subcutaneous tunnel was created from the anterior inferior iliac spine incision toward the pubic symphysis, and connecting rods were inserted for fixation. The surgical incision length, intraoperative blood loss, surgical time, postoperative fracture reduction quality, fracture healing time, incidence of complications during follow-up, and pelvic functional recovery at the last follow-up were recorded in this cohort.Results:In this cohort, surgical incision length was (5.8±0.4) cm, intraoperative blood loss (75.4±11.9) mL, and surgical time (66.1±8.9) min. By the end of one week after surgery, the quality of fracture reduction was evaluated according to the Matta scoring criteria as excellent in 11 cases and as good in 5 cases. All patients were followed up for (17.4±3.1) months after surgery. The fractures got united in all the 16 patients after (11.2±1.2) weeks. At the last follow-up, the pelvic function recovery was evaluated according to the Majeed scoring system as excellent in 13 cases and as good in 3 cases, yielding a Majeed score of (90.1±4.2) points. During the follow-up period, no patient developed complications such as nerve injury, wound infection, or loosening, breakage or withdrawal of internal fixation devices.Conclusion:In the treatment of anterior pelvic ring injuries, our modified INFIX has the advantages of few complications, simple operation and minimal invasion, leading to good short-term efficacy.
9.Prone position-cardiopulmonary resuscitation in adults: a scoping review
Xuhong LAN ; Longfei GUO ; Hongfang ZHOU ; Hengyang WANG ; Qian WANG ; Donghui JIA ; Wenjuan YUAN ; Yuchen WU ; Zhigang ZHANG ; Caili PENG
Chinese Critical Care Medicine 2024;36(10):1049-1055
Objective:To comprehensively search the relevant literature on prone position-cardiopulmonary resuscitation (PP-CPR) in adults at home and abroad, analyze the content, summarize the evidence, and provide reference for clinical health care professionals.Methods:Systematic search of CNKI, China Biomedical Literature Service System (SinoMed), Wanfang Data, VIP database, PubMed, Embase, Cumulative Index to Nursing and Allied Health Literature (CINAHL), Cochran Library, Web of Science, Scopus literature database and other Chinese and English databases was conducted. The search period was from inception to June 15 in 2024. The contents of PP-CPR from randomized controlled trial (RCT), non-RCT (prospective or retrospective), cohort studies and case reports were extracted and systematically analyzed. The search results were standardized by the method of scoping review.Results:A total of 523 articles were obtained through preliminary search, and 14 references and gray literature were retrieved, totaling 537 articles. After strict screening by two researchers, a total of 26 literatures were included, 3 were non-RCT and 23 were case reports, involving 12 countries, including 3 in Chinese, 19 in English, 2 in French, 1 in German, and 1 in Korean. Three non-RCT demonstrated that compared with standard cardiopulmonary resuscitation (CPR), PP-CPR could produce higher pressure, and provide good respiratory and circulatory support. A total of 25 adult patients were included in the 23 case reports, of which 17 reported total recovery time and 13 reported PP-CPR time ≤ 5 minutes, all of which recovered spontaneous circulation, indicating the effectiveness of PP-CPR technology. In terms of final outcome, 4 patients (16.0%) died and 21 patients (84.0%) survived, indicating that PP-CPR technology could provide timely blood circulation and improve clinical outcomes for prone cardiac arrest patients. Among the 11 patients who reported complications after resuscitation, no neurological damage was found in the short-term outcomes, indicating that PP-CPR technology had a certain level of safety.Conclusions:PP-CPR can provide timely blood circulation for patients with cardiac arrest who are unable to lie supine quickly, and win "golden time" for defibrillation and further treatment. In clinical practice, medical staff need to evaluate the emergency environment, the number of rescuers and the specific condition of the patient, and implement first aid as soon as possible, so as to reduce the time of no blood flow in the vital organs of patients with cardiac arrest in prone position, and improve the clinical prognosis.
10.FOLFOX-hepatic arterial infusion chemotherapy combined with programmed cell death receptor-1 inhibitor and targeted drug for treating China liver cancer staging stage Ⅲ a hepatocellular carcinoma
Di WU ; Ziyi ZHU ; Longfei FAN ; Yulin TAN
Chinese Journal of Interventional Imaging and Therapy 2024;21(7):393-397
Objective To observe the value of FOLFOX-hepatic arterial infusion chemotherapy(HAIC)combined with programmed cell death receptor-1(PD-1)inhibitor+targeted drug for treating China liver cancer staging(CNLC)stageⅢa hepatocellular carcinoma(HCC).Methods Sixty-one patients with CNLC stage Ⅲa HCC who underwent PD-1 inhibitor+targeted drug treatment were retrospectively enrolled and divided into observation group(n=30)and control group(n=31)based on whether received FOLFOX-HAIC treatment or not.The general information,treatment strategy,adverse reactions and therapeutic effects were compared between groups,and the value of treatment strategy in observation group was analyzed.Results No significant difference of general information nor PD-1 inhibitor+targeted drug strategy was found between groups(both P>0.05).Among 1-2 grade adverse reactions,the incidence of nausea,vomiting and abdominal pain in observation group were higher than those in control group(both P<0.05),while no significant difference of the other 1-2 grade nor 3 grade adverse reactions was observed(all P>0.05).The objective response rate(ORR),progression free survival(PFS)and overall survival(OS)of observation group were all higher than those of control group(all P<0.05).Conclusion FOLFOX-HAIC combined with PD-1 inhibitor+targeted drug was more effective for treating CNLC stage Ⅲa HCC with acceptable safety.

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