1.Research on dynamic monitoring of drug consumption based on seasonal Mann-Kendall trend test
Ziheng YU ; Chen CHEN ; Xiangyu YANG ; Lulu LI ; Shaohui ZHANG
China Pharmacy 2026;37(3):377-382
OBJECTIVE To investigate a dynamic monitoring of drug consumption (DMDC) model based on the seasonal Mann-Kendall trend test, aiming to provide scientific evidence for the efficient and macroscopic monitoring of drug use. METHODS A monitoring list of key outpatient drugs was established based on the top 20% of drugs ranked by sales volume in the outpatient pharmacy in October 2024. A DMDC model based on the Mann-Kendall trend test was constructed using the monthly usage data of key outpatient drugs from November 2021 to October 2024, aiming to eliminate the impact of seasonal fluctuations and analyze the temporal trends in drug consumption. Taking mucolytic expectorants, triazole derivatives for dermatophytosis, and single-agent hydroxymethylglutaryl coenzyme A (HMG-CoA) reductase inhibitors as examples, the monitoring effectiveness of the DMDC model was demonstrated, and its performance was compared with that achieved by the traditional sequential growth rate ranking method. RESULTS A total of 215 drug varieties were included in the monitoring list, and DMDC models were successfully established for all of them. Among these, 119 showed a significant increasing trend (P<0.05, S′>0). The model successfully monitored the monthly consumption of mucolytic expectorants, triazole derivatives for dermatophytosis, and single- agent HMG-CoA reductase inhibitors. The precision and recall rates of the DMDC model for identifying abnormal drug use were 60.7% and 85.0%, respectively, both significantly higher than those of the sequential growth rate ranking method (8.3% and 15.0%, respectively) (χ2=20.114, P<0.001; χ2=19.600, P<0.001). CONCLUSIONS DMDC model based on the seasonal Mann-Kendall trend test can effectively identify long-term trends in drug consumption, eliminate seasonal interference, enhance monitoring accuracy and management efficiency, and is suitable for the dynamic monitoring of drug consumption.
2.Material Basis of Anti-Inflammatory Efficacy and Mechanism of Action of Bushen Tongdu Prescription Based on UPLC-LTQ-Orbitrap-MS and Network Pharmacology
Yan RONG ; Lulu JING ; Hongping HOU ; Huijun WANG ; Lihua CHEN ; Yunxin CHEN ; Liang LI ; Li LIN ; Xiaoqin LUO ; Haiyu ZHAO ; Xiaolu WEI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):152-161
ObjectiveThis paper aims to investigate the material basis of the anti-inflammatory efficacy and mechanism of action of Bushen Tongdu prescription (BSTDP). MethodsThe chemical components of BSTDP and its blood-absorbed components in vivo were systematically identified by using ultra-performance liquid chromatography-linear ion trap-electrostatic field orbitrap high-resolution mass spectrometry (UPLC-LIT-Orbitrap-MS). Network pharmacology was employed to screen blood-absorbed bioactive components and potential targets of this formula. A protein-protein interaction (PPI) network of core targets was constructed to conduct enrichment analysis. Molecular docking was further utilized to verify the binding affinity between key components and targets. The inflammatory model was established and verified in vivo by using a transgenic zebrafish Tg (mpx: GFP). At three days post-fertilization (3 dpf), larvae of zebrafish were randomly assigned to blank group, model group, positive drug dexamethasone acetate group (75 μmol·L-1), and BSTDP groups with low, medium, and high doses (500, 1 000, and 2 000 mg·L-1). The distribution and quantity of neutrophils in the yolk sac region were observed under a fluorescence microscope. The mRNA expression levels of key genes in the toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor kappa-B (NF-κB) signaling pathway and inflammatory factors including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α) were detected by Real-time quantitative polymerase chain reaction (Real-time PCR). ResultsA total of 120 chemical components were identified in BSTDP, among which 26 original components were confirmed by using serum pharmacochemical methods. A total of 227 common targets linking rheumatoid arthritis (RA) and the blood-absorbed components were screened by network pharmacology. It is suggested that pseudobrucine, vomicine, sinapine, rehmannioside, cinnamyl alcohol glycoside, and methylephedrine exert anti-inflammatory effects by acting on core targets including protein kinase B1 (Akt1), signal transducer and activator of transcription 3 (STAT3), tumor necrosis factor (TNF), TLR4, mitogen-activated protein kinase 14 (MAPK14), and phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit α (PIK3CA), thereby modulating multiple signaling pathways such as TLR4 and NF-κB. In vivo verification in zebrafish demonstrates that the maximum tolerable concentration of Bushen Tongdu Formula is 2 000 mg·L-1. Compared to those in the blank group, zebrafish in the model group showed a significantly higher number of neutrophils in the yolk sac region (P<0.01) and rising mRNA levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β (P<0.01). Compared to that in the model group, the number of neutrophils was significantly reduced in BSTDP groups with medium and high doses, as well as the dexamethasone acetate group (P<0.05, P<0.01). There was no statistically significant difference in the low dose group. The mRNA expression levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β were significantly down-regulated (P<0.05, P<0.01). ConclusionThis paper identifies the material basis of the efficacy of BSTDP, demonstrating that the formula can exert an anti-inflammatory effect through the TLR4/MyD88/NF-κB signaling pathway. The results provide scientific experimental evidence for its further clinical application.
3.Analysis of OCTA parameters for prognostic assessment following vitrectomy in patients with idiopathic macular epiretinal membrane
Lulu BAO ; Li WANG ; Mingliang WANG ; Min CHEN ; Zhe LIU
International Eye Science 2026;26(5):873-878
AIM: To investigate the differences in morphological structure and retinal blood perfusion between the affected eye and the contralateral healthy eye using optical coherence tomography angiography(OCTA)in patients with idiopathic macular epiretinal membrane(IMEM)before and after surgery, and to evaluate the association of these parameters with functional and anatomical outcomes to inform prognostic assessment. METHODS:A prospective study was conducted at Zhejiang Provincial People's Hospital between January 2023 and December 2024. Consecutive patients diagnosed with unilateral IMEM were enrolled; the fellow eye served as an internal control. All participants underwent standardized ophthalmic evaluations, including optical coherence tomography(OCT), OCTA, and color fundus photography. Key quantitative parameters assessed included best-corrected visual acuity(BCVA), central macular thickness(CMT), foveal avascular zone(FAZ)area, vessel density in the inner capillary plexus(ICP), superficial capillary plexus(SCP), deep capillary plexus(DCP), and choroidal capillary perfusion area(CCPA). Measurements were obtained preoperatively and at 1 and 3 mo postoperatively. Correlation analyses were performed between the above parameters and postoperative BCVA and CMT.RESULTS: This study enrolled 30 patients(60 eyes)diagnosed with IMEM, comprising 14 males and 16 females, with a mean age of 65.4±10.8 y.At baseline, IMEM-affected eyes demonstrated significantly reduced BCVA, DCP density, and FAZ area, alongside significantly increased CMT and CCPA, compared with contralateral controls. Following vitrectomy with membrane peeling, CMT decreased significantly at both 1 and 3 mo(both P<0.05)postoperatively; DCP density and BCVA showed significant improvement(both P<0.05). No significant change in FAZ area was observed postoperatively(P>0.05). At 3 mo postoperatively, BCVA of the affected eye was negatively correlated with CMT(r=-0.549, P=0.022). At 1 mo postoperatively, CMT was negatively correlated with preoperative DCP and FAZ, positively correlated with preoperative CMT, and positively correlated with ICP and SCP at 1 mo postoperatively, and negatively correlated with FAZ at 1 mo postoperatively(all P<0.05). Furthermore, CMT at 3 mo postoperatively was negatively correlated with preoperative DCP(r=-0.498,P=0.042).CONCLUSION:In patients with IMEM, the affected eyes exhibit significantly reduced DCP density and FAZ area, alongside increased CMT and CCPA. Following vitrectomy with membrane peeling, CMT decreased progressively, DCP density demonstrated partial restoration, and vision improved gradually. Preoperatively, smaller CMT larger DCP, and FAZ were associated with more favorable surgical outcomes; postoperatively, smaller ICP and SCP densities—combined with a larger FAZ—also correlated with better functional recovery.
4.Material Basis of Anti-Inflammatory Efficacy and Mechanism of Action of Bushen Tongdu Prescription Based on UPLC-LTQ-Orbitrap-MS and Network Pharmacology
Yan RONG ; Lulu JING ; Hongping HOU ; Huijun WANG ; Lihua CHEN ; Yunxin CHEN ; Liang LI ; Li LIN ; Xiaoqin LUO ; Haiyu ZHAO ; Xiaolu WEI
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(10):152-161
ObjectiveThis paper aims to investigate the material basis of the anti-inflammatory efficacy and mechanism of action of Bushen Tongdu prescription (BSTDP). MethodsThe chemical components of BSTDP and its blood-absorbed components in vivo were systematically identified by using ultra-performance liquid chromatography-linear ion trap-electrostatic field orbitrap high-resolution mass spectrometry (UPLC-LIT-Orbitrap-MS). Network pharmacology was employed to screen blood-absorbed bioactive components and potential targets of this formula. A protein-protein interaction (PPI) network of core targets was constructed to conduct enrichment analysis. Molecular docking was further utilized to verify the binding affinity between key components and targets. The inflammatory model was established and verified in vivo by using a transgenic zebrafish Tg (mpx: GFP). At three days post-fertilization (3 dpf), larvae of zebrafish were randomly assigned to blank group, model group, positive drug dexamethasone acetate group (75 μmol·L-1), and BSTDP groups with low, medium, and high doses (500, 1 000, and 2 000 mg·L-1). The distribution and quantity of neutrophils in the yolk sac region were observed under a fluorescence microscope. The mRNA expression levels of key genes in the toll-like receptor 4 (TLR4)/myeloid differentiation factor 88 (MyD88)/nuclear factor kappa-B (NF-κB) signaling pathway and inflammatory factors including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α) were detected by Real-time quantitative polymerase chain reaction (Real-time PCR). ResultsA total of 120 chemical components were identified in BSTDP, among which 26 original components were confirmed by using serum pharmacochemical methods. A total of 227 common targets linking rheumatoid arthritis (RA) and the blood-absorbed components were screened by network pharmacology. It is suggested that pseudobrucine, vomicine, sinapine, rehmannioside, cinnamyl alcohol glycoside, and methylephedrine exert anti-inflammatory effects by acting on core targets including protein kinase B1 (Akt1), signal transducer and activator of transcription 3 (STAT3), tumor necrosis factor (TNF), TLR4, mitogen-activated protein kinase 14 (MAPK14), and phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit α (PIK3CA), thereby modulating multiple signaling pathways such as TLR4 and NF-κB. In vivo verification in zebrafish demonstrates that the maximum tolerable concentration of Bushen Tongdu Formula is 2 000 mg·L-1. Compared to those in the blank group, zebrafish in the model group showed a significantly higher number of neutrophils in the yolk sac region (P<0.01) and rising mRNA levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β (P<0.01). Compared to that in the model group, the number of neutrophils was significantly reduced in BSTDP groups with medium and high doses, as well as the dexamethasone acetate group (P<0.05, P<0.01). There was no statistically significant difference in the low dose group. The mRNA expression levels of TLR4, MyD88, NF-κB, TNF-α, IL-6, and IL-1β were significantly down-regulated (P<0.05, P<0.01). ConclusionThis paper identifies the material basis of the efficacy of BSTDP, demonstrating that the formula can exert an anti-inflammatory effect through the TLR4/MyD88/NF-κB signaling pathway. The results provide scientific experimental evidence for its further clinical application.
5.A fetus with Neurodevelopmental disorders with deformed facial features and distal skeletal abnormalities due to a rare variant of ZMIZ1 gene and literature review.
Jinghui ZOU ; Haibo LI ; Lulu YAN
Chinese Journal of Medical Genetics 2026;43(4):295-300
OBJECTIVE:
To investigate the clinical manifestations and genetic etiology of a fetus with Neurodevelopmental disorders with deformed facial features and distal skeletal abnormalities (NEDDFSA).
METHODS:
Clinical data of a NEDDFSA fetus diagnosed at the Affiliated Women and Children's Hospital Affiliated to Ningbo University in March 2025 was selected as the study subject. Whole-exome sequencing (WES) was carried out on the amniotic fluid and parental peripheral blood samples, and candidate variants was verified by Sanger sequencing. The pathogenicity of candidate variant was rated based on guidelines from the American College of Medical Genetics and Genomics (ACMG). This study was approved by the Medical Ethics Committee of the hospital (Ethics No.: EC2023-094).
RESULTS:
At 30 weeks of gestation, the fetus was found to have microcephaly, short femur and intrauterine growth restriction. WES revealed that the fetus harbored a de novo heterozygous frameshift variant c.2633dup (p.Gly879ArgfsTer22) of the ZMIZ1 gene, which was rated as pathogenic (PM2_Supporting+PS2_Supporting+PVS1). Combined with 25 cases from the literature, the main manifestations of patients have included intellectual disability, growth retardation and cranio-limb skeletal dysplasia, albeit without clear genotype-phenotype correlation.
CONCLUSION
The de novo variant c.2633dup (p.Gly879ArgfsTer22) of the ZMIZ1 gene probably underlay the NEDDFSA in this fetus. Genetic testing has enabled accurate prenatal diagnosis and provided evidence for genetic counseling and reproductive guidance of this family.
Humans
;
Female
;
Pregnancy
;
Neurodevelopmental Disorders/genetics*
;
Transcription Factors/genetics*
;
Fetus/abnormalities*
;
Exome Sequencing
;
Prenatal Diagnosis
6.Analysis of the correlation of drug consumption index with DRG overspending and its threshold effect in a hospital
Xiangyu YANG ; Lulu LI ; Ziheng YU ; Shaohui ZHANG
China Pharmacy 2025;36(1):113-116
OBJECTIVE To explore the correlation between drug consumption index and diagnosis related groups (DRG) overspending cases, and provide a basis for hospitals to optimize the cost structure and strengthen the refined management. METHODS Based on the data of DRG patients enrolled in a third-grade class A hospital from September to November 2023, the multivariate Logistic regression model and restricted cubic spline (RCS) model were used to analyze the correlation of drug consumption index with DRG overspending cases and its threshold effect, respectively. At the same time, rational drug use evaluation was conducted based on the drug consumption index, precise cost control and management were carried out, and the changes in the main pharmaceutical indicators of the whole hospital were analyzed before control (January-June 2023) and after control (January-June 2024). RESULTS The results of multivariate Logistic regression analysis showed that long hospitalization days, high drug consumption index, transfer to other departments and combined diabetes mellitus were the risk factors for DRG overspending (P<0.05). The results of the RCS model showed that the drug consumption index had a non-linear relationship with DRG overspending. When the drug consumption index was ≥0.64, the drug consumption index was positively correlated with the risk of DRG overspending(P<0.05). Compared with the same period before the control, medical cost per time, drug cost per time and drug consumption index decreased significantly after the control (P<0.01). CONCLUSIONS The drug consumption index is a risk factor for DRG overruns, there is a non-linear relationship and threshold effect between it and DRG overruns. Each hospital can set a reasonable threshold and implement dynamic monitoring and intervention by comprehensively considering the actual drug usage, disease spectrum characteristics, and cost control targets, as well as factors such as medical quality, patient needs, and the payment capacity of medical insurance, which can effectively achieve precise control over drug usage.
7.Traditional Chinese Medicine Regulates Signaling Pathways Related to Precancerous Lesions of Gastric Cancer: A Review
Maofu ZHANG ; Xinyu LI ; Yanyun SHEN ; Yeyuan LIU ; Jialin ZHONG ; Lulu CHEN ; Haihong ZHAO ; Zhongyang SONG ; Zhiming ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):297-306
Precancerous lesions of gastric cancer (PLGC) are a group of pathological changes caused by abnormalities in the structure, morphology, and differentiation of gastric mucosal epithelial cells. Since the early symptoms are hidden and non-specific, PLGC is not easy to be diagnosed and it has often developed into intermediate or advanced gastric cancer once being diagnosed and missed the best time for treatment. Accordingly, the incidence of this disease is increasing year by year, which lifts a heavy burden on the patients. The pathogenesis of PLGC is complex, involving inflammatory microenvironment, bile reflux, glycolysis, autophagy, and apoptosis. Currently, PLGC is mainly treated with anti-inflammatory and endoscopic therapies, which are difficult to curb the development of PLGC. Therefore, seeking a safe and effective therapy is an important topic of modern research. Traditional Chinese medicine (TCM), characterized by treatment based on syndrome differentiation and a holistic view, exerts effects via multiple pathways, mechanisms, and targets. Recent studies have confirmed that TCM can regulate the phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/Akt/mTOR), Wnt/β-catenin, Sonic Hedgehog, nuclear factor-κB (NF-κB), Janus kinase/signal transducer and activator of transcription (JAK/STAT), hypoxia-inducible factor-1α (HIF-1α), neurogenic locus notch homolog protein (Notch), nuclear factor E2-related factor 2 (Nrf2) and other signaling pathways. By targeting these pathways, TCM can inhibit aerobic glycolysis, reduce oxidative stress, repair the inflammatory microenvironment, regulate cellular autophagy, and promote vascular normalization, thereby delaying or reversing PLGC. However, few researchers have systematically summarized the TCM regulation of PLGC-associated pathways. By reviewing the relevant articles at home and abroad, this paper summarized the roles of the above signaling pathways in the development of PLGC and the research progress in the regulation of signaling pathways by TCM in the treatment of PLGC, with a view to providing a new theoretical basis for the clinical research on PLGC and the drug development for this disease.
8.Treatment of Parkinson's Disease with Traditional Chinese Medicine by Regulating BDNF/TrkB Signaling Pathway: A Review
Lulu JIA ; Ying LI ; Jiale YIN ; Nan JIA ; Xiaoxi LIU ; Li LING
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(4):315-322
Parkinson's disease(PD) is the second most common neurodegenerative disease in the world, which seriously affects the lives of patients. With the acceleration of aging process, the number of patients continues to rise. Its main pathological features are aggregation of α-synuclein and degenerative death of dopaminergic neurons in the substantia nigra. However, the pathogenesis of PD is still unclear. According to reports, the brain-derived neurotrophic factor(BDNF)/tyrosine kinase receptor B(TrkB) signaling pathway is highly expressed and activated in dopaminergic neurons in the substantia nigra, which is closely related to neurophysiological processes such as neurogenesis, synaptic plasticity, neuroinflammation, and oxidative stress. It plays an important role in the occurrence and development of PD. At present, the treatment methods of Western medicine for PD are mainly based on drugs such as levodopa and dopamine agonists to alleviate motor symptoms, but with the increase of dose, the adverse reactions are significantly enhanced. Traditional Chinese medicine(TCM) has attracted people to explore its therapeutic effects on PD due to its characteristics of homology of medicine and food, economy, minor adverse reactions and multi-target action. Therefore, this paper systematically reviews the role of BNDF/TrkB pathway in the pathogenesis of PD and the mechanism of TCM formulas, extracts and monomers in the treatment of PD by regulating the BNDF/TrkB pathway according to retrieving the latest research reports at home and abroad, so as to provide a reference for the clinical application of related TCM and the development of new drugs for PD.
9.Mechanism of Mingshi Prescription in Regulating Opn4-dopamine Axis to Inhibit Endoplasmic Reticulum Stress and Delay Myopia Progression
Baohua LI ; Zefeng KANG ; Lulu WANG ; Xin YAN ; Jianquan WANG ; Xinyue HOU ; Bobiao NING ; Shanshan YE ; Mengyu LIU ; Yipeng SHI ; Danyu LI
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(18):58-67
ObjectiveTo investigate the mechanism by which Mingshi prescription regulates the retinal melanopsin-dopamine (Opn4-DA) axis in myopic mice to inhibit endoplasmic reticulum (ER) stress in the retina and sclera, thereby delaying axial elongation associated with myopia. MethodsSixty 4-week-old male SPF-grade C57BL/6J mice were randomly divided into a normal group, a form-deprived myopia group (FDM group), an intrinsically photosensitive retinal ganglion cells ablation group (ipRGCs group), a Mingshi Prescription group (MSF group, 5.2 g·kg-1), and an ipRGCs + MSF group (5.2 g·kg-1). Except for the normal group, all other groups underwent FDM modeling. Additionally, the ipRGCs and ipRGCs + MSF groups received retinal ipRGC ablation. Three weeks after modeling, the MSF and ipRGCs + MSF groups were administered Mingshi prescription via continuous gavage for six weeks. After refraction and axial length were measured in all mice, eyeballs were collected along with retinal and scleral tissues. Pathological and morphological changes in the retina, choroid, and sclera were observed using periodic acid-Schiff (PAS) staining. Western blot was employed to detect the relative protein expression levels of dopamine D1 receptor (DRD1), C/EBP homologous protein (CHOP), and glucose-regulated protein 78 (GRP78) in the retina, and CHOP and GRP78 in the sclera. Real-time PCR was used to detect the relative mRNA expression of Opn4, CHOP, and GRP78 in the retina, and CHOP and GRP78 in the sclera. Immunofluorescence staining (IF) was performed to detect the expression of Opn4 and DRD1 in retinal tissues. ResultsCompared with the normal group, the FDM group showed a significant myopic shift in refraction (P<0.05) and a significant increase in axial length (P<0.05). The retinal layers were thinner, the number of ganglion cells was reduced, and collagen fibers in the sclera were loosely arranged with evident gaps. Opn4 and DRD1 protein and mRNA expression in the retina were significantly decreased (P<0.05), while CHOP and GRP78 protein and mRNA expression in both retinal and scleral tissues were significantly increased (P<0.05). Compared with the FDM group, the ipRGCs group exhibited further increases in myopic refraction and axial length (P<0.05), more pronounced thinning and looseness in the retinal, choroidal, and scleral layers, lower expression of Opn4 and DRD1 protein and mRNA in the retina (P<0.05), and higher expression of CHOP and GRP78 protein and mRNA in the retina and sclera (P<0.05). Compared with the FDM group, the MSF group showed significantly reduced refractive error and axial length (P<0.05), with improved cellular number, arrangement, and thickness in ocular tissues, increased Opn4 and DRD1 protein and mRNA expression in the retina (P<0.05), and reduced CHOP and GRP78 protein and mRNA expression in both retina and sclera (P<0.05). Similarly, the ipRGCs + MSF group showed significant improvements in terms of the above items compared with the ipRGCs group (P<0.05). ConclusionMingshi Prescription delays myopic axial elongation and refractive progression by regulating the Opn4-DA axis in the retina of myopic mice, thereby inhibiting ER stress in the retina and sclera. This intervention promotes Qi and blood nourishment of the eyes, softens the fascia, and restores ocular rhythm.
10.Valve-in-valve transcatheter mitral valve replacement with SAPIEN 3 valve for bioprosthetic mitral valve failure: one-year outcomes in 26 patients.
Zechao RAN ; Lulu LIU ; Jun SHI ; Yuqiang WANG ; Tingqian CAO ; Siyu HE ; Xiaoting LI ; Yingqiang GUO
Journal of Zhejiang University. Medical sciences 2025;54(5):668-675
OBJECTIVES:
To evaluate the one-year outcomes of valve-in-valve transcatheter mitral valve replacement (ViV-TMVR) using SAPIEN 3 valve for treating mitral bioprosthetic valve failure.
METHODS:
A retrospective analysis was conducted on 26 patients with mitral bioprosthetic valve failure who underwent ViV-TMVR at West China Hospital, Sichuan University, between November 2022 and July 2024. The age of patients was 71.5 (64.5, 74.5) years, and 69.2% were female. Bioprosthetic valve failure occurred at (9.7±3.7) years after initial surgical implantation, with the most common failure mode being mixed stenosis and regurgitation (53.8%). The SAPIEN 3 valve was implanted via either a transseptal or transapical approach. Echocardiography was performed preoperatively, immediately post-procedure, and at 1 month, 6 months, and 1 year post-procedure. Outcomes included all-cause mortality, New York Heart Association (NYHA) functional class, Kansas City Cardiomyopathy Questionnaire (KCCQ)-12 score, and postoperative complications.
RESULTS:
The procedure was performed via the transseptal approach in 21 patients (80.8%) and the transapical approach in 5 patients (19.2%). All procedures were technically successful. No paravalvular leakage was observed immediately post-procedure, and mitral valve hemodynamics improved significantly. At the 1-year follow-up, 2 patients had died. Two patients (8.3% of survivors) were of NYHA functional class Ⅲ, and KCCQ-12 score improved to (88.4±14.6) points (both P<0.01). Echocardio-graphy at 1 year postoperatively showed significant reductions in peak mitral valve velocity [to (2.29±0.32) m/s] and mean transvalvular pressure gradient [to (9.5±3.5) mmHg, 1 mmHg=0.133 kPa] compared to baseline (both P<0.05). No moderate or severe mitral regurgitation or paravalvular leakage was observed. The proportion of patients with moderate-to-severe pulmonary hypertension decreased from 65.4% preoperatively to 13.0% at 1 year (P<0.05).
CONCLUSIONS
ViV-TMVR with the SAPIEN 3 valve for mitral biopro-sthetic valve failure is associated with high procedural success, significantly improved valve hemodynamics of the mitral value, alleviation of pulmonary hypertension, enhanced quality of life, and a low rate of complications at 1 year after the operation.
Humans
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Female
;
Male
;
Retrospective Studies
;
Aged
;
Bioprosthesis
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Heart Valve Prosthesis
;
Mitral Valve/surgery*
;
Heart Valve Prosthesis Implantation/methods*
;
Middle Aged
;
Prosthesis Failure
;
Treatment Outcome
;
Mitral Valve Insufficiency/surgery*

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