Objective:To evaluate the application of spinal endoscopy in treating elderly patients with osteoporotic lumbar spinal stenosis,and to assess its impact on pain relief,functional improvement,and postoperative satisfac...Objective:To evaluate the application of spinal endoscopy in treating elderly patients with osteoporotic lumbar spinal stenosis,and to assess its impact on pain relief,functional improvement,and postoperative satisfaction.Methods:A total of 86 elderly patients with osteoporotic lumbar spinal stenosis who underwent surgery at our hospital from March 1,2023,to February 28,2024,were selected.These patients were divided into an observation group(spinal endoscopy,n=44)and a control group(traditional open decompression,n=42).Preoperative,1 month postoperatively,and 3 months postoperatively,visual analog scale(VAS),Oswestry functional disability index(ODI),and patient satisfaction were assessed.Intraoperative blood loss,hospital stay,and the incidence of postoperative complications were compared as safety indicators.Data analysis was performed using SPSS 26.0 software.Measurement data were presented as mean±standard deviation,and inter-group comparisons were conducted using independent samples t-tests.Categorical data were analyzed using χ^(2) tests.Results:One month and three months postoperatively,the VAS scores in the observation group were 2.8±0.6 and 1.9±0.4,respectively,significantly lower than those in the control group(3.6±0.7 and 2.7±0.5)(P=0.015,P=0.008).The ODI scores were 24.3±4.5 and 17.8±3.2,respectively,also significantly better than those in the control group(30.6±5.1 and 22.9±3.7)(P=0.021,P=0.010).The observation group had a median intraoperative blood loss of 52.6±13.8 mL and an average hospital stay of 4.3±1.2 days,significantly lower than the control group's 108.4±21.5 mL and 7.2±1.6 days(P<0.001).The postoperative complication rate in the observation group was 4.5%(2/44),compared to 16.7%(7/42)in the control group(P=0.043).Postoperative satisfaction scores were 92.6±4.1 for the observation group and 84.7±5.6 for the control group(P<0.001).Conclusion:The application of spinal endoscopy technology in elderly patients with osteoporotic lumbar spinal stenosis can effectively reduce postoperative pain,improve functional status,minimize intraoperative trauma and complications,and significantly enhance patient satisfaction,demonstrating excellent clinical value for widespread adoption.展开更多
Real-time water-medium endoscopic images can assist doctors in performing operations such as tissue cleaning and nucleus pulpous removal.During medical operating procedures,it is inevitable that tissue particles,debri...Real-time water-medium endoscopic images can assist doctors in performing operations such as tissue cleaning and nucleus pulpous removal.During medical operating procedures,it is inevitable that tissue particles,debris and other contaminants will be suspended within the viewing area,resulting in blurred images and the loss of surface details in biological tissues.Currently,few studies have focused on enhancing such endoscopic images.This paper proposes a water-medium endoscopic image processing method based on dual transmittance in accordance with the imaging characteristics of spinal endoscopy.By establishing an underwater imaging model for spinal endoscopy,we estimate the transmittance of the endoscopic images based on the boundary constraints and local image contrast.The two transmittances are then fused and combined with transmittance maps and ambient light estimations to restore the images before attenuation,ultimately enhancing the details and texture of the images.Experiments comparing classical image enhancement algorithms demonstrate that the proposed algorithm could effectively improve the quality of spinal endoscopic images.展开更多
文摘Objective:To evaluate the application of spinal endoscopy in treating elderly patients with osteoporotic lumbar spinal stenosis,and to assess its impact on pain relief,functional improvement,and postoperative satisfaction.Methods:A total of 86 elderly patients with osteoporotic lumbar spinal stenosis who underwent surgery at our hospital from March 1,2023,to February 28,2024,were selected.These patients were divided into an observation group(spinal endoscopy,n=44)and a control group(traditional open decompression,n=42).Preoperative,1 month postoperatively,and 3 months postoperatively,visual analog scale(VAS),Oswestry functional disability index(ODI),and patient satisfaction were assessed.Intraoperative blood loss,hospital stay,and the incidence of postoperative complications were compared as safety indicators.Data analysis was performed using SPSS 26.0 software.Measurement data were presented as mean±standard deviation,and inter-group comparisons were conducted using independent samples t-tests.Categorical data were analyzed using χ^(2) tests.Results:One month and three months postoperatively,the VAS scores in the observation group were 2.8±0.6 and 1.9±0.4,respectively,significantly lower than those in the control group(3.6±0.7 and 2.7±0.5)(P=0.015,P=0.008).The ODI scores were 24.3±4.5 and 17.8±3.2,respectively,also significantly better than those in the control group(30.6±5.1 and 22.9±3.7)(P=0.021,P=0.010).The observation group had a median intraoperative blood loss of 52.6±13.8 mL and an average hospital stay of 4.3±1.2 days,significantly lower than the control group's 108.4±21.5 mL and 7.2±1.6 days(P<0.001).The postoperative complication rate in the observation group was 4.5%(2/44),compared to 16.7%(7/42)in the control group(P=0.043).Postoperative satisfaction scores were 92.6±4.1 for the observation group and 84.7±5.6 for the control group(P<0.001).Conclusion:The application of spinal endoscopy technology in elderly patients with osteoporotic lumbar spinal stenosis can effectively reduce postoperative pain,improve functional status,minimize intraoperative trauma and complications,and significantly enhance patient satisfaction,demonstrating excellent clinical value for widespread adoption.
文摘Real-time water-medium endoscopic images can assist doctors in performing operations such as tissue cleaning and nucleus pulpous removal.During medical operating procedures,it is inevitable that tissue particles,debris and other contaminants will be suspended within the viewing area,resulting in blurred images and the loss of surface details in biological tissues.Currently,few studies have focused on enhancing such endoscopic images.This paper proposes a water-medium endoscopic image processing method based on dual transmittance in accordance with the imaging characteristics of spinal endoscopy.By establishing an underwater imaging model for spinal endoscopy,we estimate the transmittance of the endoscopic images based on the boundary constraints and local image contrast.The two transmittances are then fused and combined with transmittance maps and ambient light estimations to restore the images before attenuation,ultimately enhancing the details and texture of the images.Experiments comparing classical image enhancement algorithms demonstrate that the proposed algorithm could effectively improve the quality of spinal endoscopic images.
