Objective:To investigate the effect of a chest compression device for scar prevention combined with a nurse-patient WeChat group on scar formation after keloid excision.Methods:Forty patients with chest wall keloids w...Objective:To investigate the effect of a chest compression device for scar prevention combined with a nurse-patient WeChat group on scar formation after keloid excision.Methods:Forty patients with chest wall keloids who underwent keloid excision surgery at the Department of Plastic and Reconstructive Surgery,First Medical Center of PLA General Hospital from June 2022 to June 2024 were selected.They were randomly divided into two groups:the observation group(20 cases)and the control group(20 cases).Both groups underwent routine keloid excision,followed by compression therapy for 6 months.The observation group used a chest compression device,while the control group used a compression garment.Scar width,hypertrophy,and Vancouver Scar Scale(VSS)scores were compared between the two groups.Results:There were no significant differences between the two groups in terms of gender,age,disease course,lesion area,and lesion site(P>0.05).The overall effective rate in the observation group was 95.00%,significantly higher than the 65.00%in the control group,with a statistically significant difference(P<0.05).After a 6-month follow-up,all VSS indicators(except for pliability)in the observation group(using the chest compression device)were significantly lower than those in the control group(P<0.05).Conclusion:Compared to the traditional compression garment,the chest compression device for scar prevention is more effective in preventing scar hypertrophy after chest wall keloid excision and improving the appearance of scars.It is worth promoting for clinical application.展开更多
Objective:To explore the effectiveness of a chest compression device combined with extended self-care for scar prevention in patients following keloid excision surgery.Methods:Forty patients(36 lesions)who underwent k...Objective:To explore the effectiveness of a chest compression device combined with extended self-care for scar prevention in patients following keloid excision surgery.Methods:Forty patients(36 lesions)who underwent keloid excision surgery at the Department of Plastic and Reconstructive Surgery,First Medical Center,PLA General Hospital from June 2022 to June 2024 were selected.They were randomly divided into an experimental group and a control group,with 20 patients in each group.The control group received traditional elastic garment compression therapy,while the experimental group used a chest compression device designed for scar prevention.Scar width,hypertrophy,and Vancouver Scar Scale(VSS)scores were compared between the two groups at 6 months post-operation.Results:There were no statistically significant differences between the two groups in terms of gender,age,disease duration,lesion area,or location(P>0.05).However,VSS scores(except for pliability)in the experimental group were significantly lower than those in the control group(P<0.05).Conclusion:The chest compression device for scar prevention is more effective than traditional elastic garments in preventing scar hypertrophy after chest wall keloid excision surgery,and it has high clinical value,making it worthy of promotion.展开更多
BACKGROUND:To investigate the clinical effectiveness of a pneumatic compression device(PCD)combined with low-molecular-weight heparin(LMWH)for the prevention and treatment of deep vein thrombosis(DVT)in trauma patient...BACKGROUND:To investigate the clinical effectiveness of a pneumatic compression device(PCD)combined with low-molecular-weight heparin(LMWH)for the prevention and treatment of deep vein thrombosis(DVT)in trauma patients.METHODS:This study retrospectively analyzed 286 patients with mild craniocerebral injury and clavicular fractures admitted to our department from January 2016 to February 2020.Patients treated with only LMWH served as the control group,and patients treated with a PCD combined with LMWH as the observation group.The incidence of DVT,postoperative changes in the visual analogue scale(VAS)score,and coagulation function were observed and compared between the two groups.Excluding the influence of other single factors,binary logistic regression analysis was used to evaluate the use of a PCD in the patient’s postoperative coagulation function.RESULTS:After excluding 34 patients who did not meet the inclusion criteria,252 patients were were included.The incidence of DVT in the observation group was significantly lower than that in the control group(5.6%vs.15.1%,χ^(2)=4.605,P<0.05).The postoperative VAS scores of the two groups were lower than those before surgery(P<0.05).The coagulation function of the observation group was significantly higher than that of the control group,with a better combined anticoagulant effect(P<0.05).There were no significant differences between the two groups in preoperative or postoperative Glasgow Coma Scale scores,intraoperative blood loss,postoperative infection rate,or length of hospital stay(P>0.05).According to logistic regression analysis,the postoperative risk of DVT in patients who received LMWH alone was 1.764 times that of patients who received LMWH+PCD(P<0.05).The area under the receiver operating characteristic(AUROC)curve of partial thromboplastin time(APTT)and platelet(PLT)were greater than 0.5,indicating that they were the influence indicators of adding PCD to prevent DVT.Excluding the influence of other variables,LMWH+PCD effectively improved the coagulation function of patients.CONCLUSIONS:Compared with LMWH alone,LMWH+PCD could improve blood rheology and coagulation function in patients with traumatic brain injury and clavicular fracture,reduce the incidence of DVT,shorten the length of hospital stay,and improve the clinical effectiveness of treatment.展开更多
Mechanical automated compression devices are being used in cardiopulmonary resuscitation instead of manual,“hands-on”,rescuer-delivered chest compressions.The-theoretical-advantages include high-quality non-stop com...Mechanical automated compression devices are being used in cardiopulmonary resuscitation instead of manual,“hands-on”,rescuer-delivered chest compressions.The-theoretical-advantages include high-quality non-stop compressions,thus freeing the rescuer performing the compressions and additionally the ability of the rescuer to stand reasonably away from a potentially“hazardous”victim,or from hazardous and/or difficult resuscitation conditions.Such circumstances involve cardiopulmonary resuscitation(CPR)in the Cardiac Catheterization Laboratory,especially directly under the fluoroscopy panel,where radiation is well known to cause detrimental effects to the rescuer,and CPR during/after land or air transportation of cardiac arrest victims.Lastly,CPR in a coronavirus disease 2019 patient/ward,where the danger of contamination and further serious illness of the health provider is very existent.The scope of this review is to review and present literature and current guidelines regarding the use of mechanical compressions in these“hostile”and dangerous settings,while comparing them to manual compressions.展开更多
BACKGROUND Although previous studies have confirmed the feasibility of magnetic compression anastomosis(MCA),there is still a risk of long-term anastomotic stenosis.For traditional MCA devices,a large device is associ...BACKGROUND Although previous studies have confirmed the feasibility of magnetic compression anastomosis(MCA),there is still a risk of long-term anastomotic stenosis.For traditional MCA devices,a large device is associated with great pressure,and eventually increased leakage.AIM To develop a novel MCA device to simultaneously meet the requirements of pressure and size.METHODS Traditional nummular MCA devices of all possible sizes were used to conduct ileac anastomosis in rats.The mean(±SD)circumference of the ileum was 13.34±0.12 mm.Based on short-and long-term follow-up results,we determined the appropriate pressure range and minimum size.Thereafter,we introduced a novel“fedora-type”MCA device,which entailed the use of a nummular magnet with a larger sheet metal.RESULTS With traditional MCA devices,the anastomoses experienced stenosis and even closure during the long-term follow-up when the anastomat was smaller thanΦ5 mm.However,the risk of leakage increased when it was larger thanΦ4 mm.On comparison of the different designs,it was found that the“fedora-type”MCA device should be composed of aΦ4-mm nummular magnet with aΦ6-mm sheet metal.CONCLUSION The diameter of the MCA device should be greater than 120%of the enteric diameter.The novel“fedora-type”MCA device controls the pressure and optimizes the size.展开更多
A new method which employs compressive sensing(CS) to reconstruct the sparse spectrum is designed and experimentally demonstrated. On the basis of CS theory, the simulation results indicate that the probability of rec...A new method which employs compressive sensing(CS) to reconstruct the sparse spectrum is designed and experimentally demonstrated. On the basis of CS theory, the simulation results indicate that the probability of reconstruction is high when the step of the sparsity adaptive matching pursuit algorithm is confirmed as 1. Contrastive analysis for four kinds of commonly used measurement matrices: part Hadamard, Bernoulli, Toeplitz and Circular matrix, has been conducted. The results illustrate that the part Hadamard matrix has better performance of reconstruction than the other matrices. The experimental system of the spectral compression reconstruction is mainly based on the digital micro-mirror device(DMD). The experimental results prove that CS can reconstruct sparse spectrum well under the condition of 50% sampling rate. The system error 0.0781 is obtained, which is defined by the average value of the 2-norm. Furthermore, the proposed method shows a dominant ability to discard redundancy.展开更多
Comments were made on some thought-provoking articles,which included articles that dealt with cardiac arrest(CA).Two articles on CA elaborate on the role of automated compression devices to provide chest compressions ...Comments were made on some thought-provoking articles,which included articles that dealt with cardiac arrest(CA).Two articles on CA elaborate on the role of automated compression devices to provide chest compressions during cardiopulmonary resuscitation(CPR)in“hostile”environments and on a predictive model in cases of out-of-hospital CA(OHCA).CPR after CA has been practiced for centuries,and the evolution until current modern-day practices are discussed.The delay in adopting efficient techniques of resuscitation by the medical community for decades is also touched upon.Both in-hospital and OHCA are discussed along with guidelines and strategies to improve outcomes.Areas of possible research in the future are mentioned.展开更多
Background Venous thromboembolism is known to be an important social and health care problem because of its high incidence among patients who undergo surgery. Studies on the mechanical prophylaxis of thromboembolism a...Background Venous thromboembolism is known to be an important social and health care problem because of its high incidence among patients who undergo surgery. Studies on the mechanical prophylaxis of thromboembolism after gynaecological pelvic surgery are few. The aim of our study was to evaluate the effect of mechanical thromboembolism prophylaxis after gynaecological pelvic surgery using a combination of graduated compression stockings （GCS） and intermittent pneumatic compression （IPC） or GCS alone. Methods The study was performed on 108 patients who were randomly assigned to two groups. The first group received GCS before the operation and IPC during the operation （IPC＋GCS group）, The second group received GCS before the operation （GCS group）. To analyze the effect of the preventive measures and the laboratory examination on the incidence of thrombosis and to compare the safety of these measures, the incidence of adverse reactions was assessed. Results The morbidity associated with DVT was 4.8% （5/104） in the IPC＋GCS group and 12.5% （14/112） in the GCS group. There were significant statistical differences between the two groups. There were no adverse effects in either group. Conclusions The therapeutic combination of GCS and prevention in high-risk patients undergoing gynaecological group.（No. ChiCTR-PRC-10000935）. IPC was more effective than GCS alone for thrombosis pelvic surgery, and there were no adverse effects in either展开更多
文摘Objective:To investigate the effect of a chest compression device for scar prevention combined with a nurse-patient WeChat group on scar formation after keloid excision.Methods:Forty patients with chest wall keloids who underwent keloid excision surgery at the Department of Plastic and Reconstructive Surgery,First Medical Center of PLA General Hospital from June 2022 to June 2024 were selected.They were randomly divided into two groups:the observation group(20 cases)and the control group(20 cases).Both groups underwent routine keloid excision,followed by compression therapy for 6 months.The observation group used a chest compression device,while the control group used a compression garment.Scar width,hypertrophy,and Vancouver Scar Scale(VSS)scores were compared between the two groups.Results:There were no significant differences between the two groups in terms of gender,age,disease course,lesion area,and lesion site(P>0.05).The overall effective rate in the observation group was 95.00%,significantly higher than the 65.00%in the control group,with a statistically significant difference(P<0.05).After a 6-month follow-up,all VSS indicators(except for pliability)in the observation group(using the chest compression device)were significantly lower than those in the control group(P<0.05).Conclusion:Compared to the traditional compression garment,the chest compression device for scar prevention is more effective in preventing scar hypertrophy after chest wall keloid excision and improving the appearance of scars.It is worth promoting for clinical application.
文摘Objective:To explore the effectiveness of a chest compression device combined with extended self-care for scar prevention in patients following keloid excision surgery.Methods:Forty patients(36 lesions)who underwent keloid excision surgery at the Department of Plastic and Reconstructive Surgery,First Medical Center,PLA General Hospital from June 2022 to June 2024 were selected.They were randomly divided into an experimental group and a control group,with 20 patients in each group.The control group received traditional elastic garment compression therapy,while the experimental group used a chest compression device designed for scar prevention.Scar width,hypertrophy,and Vancouver Scar Scale(VSS)scores were compared between the two groups at 6 months post-operation.Results:There were no statistically significant differences between the two groups in terms of gender,age,disease duration,lesion area,or location(P>0.05).However,VSS scores(except for pliability)in the experimental group were significantly lower than those in the control group(P<0.05).Conclusion:The chest compression device for scar prevention is more effective than traditional elastic garments in preventing scar hypertrophy after chest wall keloid excision surgery,and it has high clinical value,making it worthy of promotion.
文摘BACKGROUND:To investigate the clinical effectiveness of a pneumatic compression device(PCD)combined with low-molecular-weight heparin(LMWH)for the prevention and treatment of deep vein thrombosis(DVT)in trauma patients.METHODS:This study retrospectively analyzed 286 patients with mild craniocerebral injury and clavicular fractures admitted to our department from January 2016 to February 2020.Patients treated with only LMWH served as the control group,and patients treated with a PCD combined with LMWH as the observation group.The incidence of DVT,postoperative changes in the visual analogue scale(VAS)score,and coagulation function were observed and compared between the two groups.Excluding the influence of other single factors,binary logistic regression analysis was used to evaluate the use of a PCD in the patient’s postoperative coagulation function.RESULTS:After excluding 34 patients who did not meet the inclusion criteria,252 patients were were included.The incidence of DVT in the observation group was significantly lower than that in the control group(5.6%vs.15.1%,χ^(2)=4.605,P<0.05).The postoperative VAS scores of the two groups were lower than those before surgery(P<0.05).The coagulation function of the observation group was significantly higher than that of the control group,with a better combined anticoagulant effect(P<0.05).There were no significant differences between the two groups in preoperative or postoperative Glasgow Coma Scale scores,intraoperative blood loss,postoperative infection rate,or length of hospital stay(P>0.05).According to logistic regression analysis,the postoperative risk of DVT in patients who received LMWH alone was 1.764 times that of patients who received LMWH+PCD(P<0.05).The area under the receiver operating characteristic(AUROC)curve of partial thromboplastin time(APTT)and platelet(PLT)were greater than 0.5,indicating that they were the influence indicators of adding PCD to prevent DVT.Excluding the influence of other variables,LMWH+PCD effectively improved the coagulation function of patients.CONCLUSIONS:Compared with LMWH alone,LMWH+PCD could improve blood rheology and coagulation function in patients with traumatic brain injury and clavicular fracture,reduce the incidence of DVT,shorten the length of hospital stay,and improve the clinical effectiveness of treatment.
文摘Mechanical automated compression devices are being used in cardiopulmonary resuscitation instead of manual,“hands-on”,rescuer-delivered chest compressions.The-theoretical-advantages include high-quality non-stop compressions,thus freeing the rescuer performing the compressions and additionally the ability of the rescuer to stand reasonably away from a potentially“hazardous”victim,or from hazardous and/or difficult resuscitation conditions.Such circumstances involve cardiopulmonary resuscitation(CPR)in the Cardiac Catheterization Laboratory,especially directly under the fluoroscopy panel,where radiation is well known to cause detrimental effects to the rescuer,and CPR during/after land or air transportation of cardiac arrest victims.Lastly,CPR in a coronavirus disease 2019 patient/ward,where the danger of contamination and further serious illness of the health provider is very existent.The scope of this review is to review and present literature and current guidelines regarding the use of mechanical compressions in these“hostile”and dangerous settings,while comparing them to manual compressions.
文摘BACKGROUND Although previous studies have confirmed the feasibility of magnetic compression anastomosis(MCA),there is still a risk of long-term anastomotic stenosis.For traditional MCA devices,a large device is associated with great pressure,and eventually increased leakage.AIM To develop a novel MCA device to simultaneously meet the requirements of pressure and size.METHODS Traditional nummular MCA devices of all possible sizes were used to conduct ileac anastomosis in rats.The mean(±SD)circumference of the ileum was 13.34±0.12 mm.Based on short-and long-term follow-up results,we determined the appropriate pressure range and minimum size.Thereafter,we introduced a novel“fedora-type”MCA device,which entailed the use of a nummular magnet with a larger sheet metal.RESULTS With traditional MCA devices,the anastomoses experienced stenosis and even closure during the long-term follow-up when the anastomat was smaller thanΦ5 mm.However,the risk of leakage increased when it was larger thanΦ4 mm.On comparison of the different designs,it was found that the“fedora-type”MCA device should be composed of aΦ4-mm nummular magnet with aΦ6-mm sheet metal.CONCLUSION The diameter of the MCA device should be greater than 120%of the enteric diameter.The novel“fedora-type”MCA device controls the pressure and optimizes the size.
基金supported by the National Natural Science Foundation of China(Nos.61002013 and 11504435)the Natural Science Foundation of Hubei Province(No.2014CFA051)+1 种基金the Key Technology R&D Program of Hubei Province(No.2015BCE048)the Fundamental Research Funds for the Central Universities,South-Central University for Nationalities(Nos.CZY13034,CZW15055 and CZP17026)
文摘A new method which employs compressive sensing(CS) to reconstruct the sparse spectrum is designed and experimentally demonstrated. On the basis of CS theory, the simulation results indicate that the probability of reconstruction is high when the step of the sparsity adaptive matching pursuit algorithm is confirmed as 1. Contrastive analysis for four kinds of commonly used measurement matrices: part Hadamard, Bernoulli, Toeplitz and Circular matrix, has been conducted. The results illustrate that the part Hadamard matrix has better performance of reconstruction than the other matrices. The experimental system of the spectral compression reconstruction is mainly based on the digital micro-mirror device(DMD). The experimental results prove that CS can reconstruct sparse spectrum well under the condition of 50% sampling rate. The system error 0.0781 is obtained, which is defined by the average value of the 2-norm. Furthermore, the proposed method shows a dominant ability to discard redundancy.
文摘Comments were made on some thought-provoking articles,which included articles that dealt with cardiac arrest(CA).Two articles on CA elaborate on the role of automated compression devices to provide chest compressions during cardiopulmonary resuscitation(CPR)in“hostile”environments and on a predictive model in cases of out-of-hospital CA(OHCA).CPR after CA has been practiced for centuries,and the evolution until current modern-day practices are discussed.The delay in adopting efficient techniques of resuscitation by the medical community for decades is also touched upon.Both in-hospital and OHCA are discussed along with guidelines and strategies to improve outcomes.Areas of possible research in the future are mentioned.
文摘Background Venous thromboembolism is known to be an important social and health care problem because of its high incidence among patients who undergo surgery. Studies on the mechanical prophylaxis of thromboembolism after gynaecological pelvic surgery are few. The aim of our study was to evaluate the effect of mechanical thromboembolism prophylaxis after gynaecological pelvic surgery using a combination of graduated compression stockings （GCS） and intermittent pneumatic compression （IPC） or GCS alone. Methods The study was performed on 108 patients who were randomly assigned to two groups. The first group received GCS before the operation and IPC during the operation （IPC＋GCS group）, The second group received GCS before the operation （GCS group）. To analyze the effect of the preventive measures and the laboratory examination on the incidence of thrombosis and to compare the safety of these measures, the incidence of adverse reactions was assessed. Results The morbidity associated with DVT was 4.8% （5/104） in the IPC＋GCS group and 12.5% （14/112） in the GCS group. There were significant statistical differences between the two groups. There were no adverse effects in either group. Conclusions The therapeutic combination of GCS and prevention in high-risk patients undergoing gynaecological group.（No. ChiCTR-PRC-10000935）. IPC was more effective than GCS alone for thrombosis pelvic surgery, and there were no adverse effects in either
