1.Achievements,Challenges and Pathways for Digital and Intelligent Transformation of Traditional Chinese Medicine
Huimin FU ; Guoqing XIANG ; Yujie SHEN ; Yanhui WANG ; Zhengrong YAO
Chinese Journal of Experimental Traditional Medical Formulae 2026;32(6):265-275
Digital and intelligent technologies serve as the core engine driving the inheritance of the essence and the innovation while upholding the fundamentals of traditional Chinese medicine(TCM). Currently, the digital and intelligent transformation of TCM has undergone four developmental stages, exhibiting inherent characteristics such as long-term inevitability, objective standardization, and ecological evolution. By introducing quantitative metrics, digital and intelligent technologies have achieved breakthroughs in TCM knowledge inheritance and innovation, clinical diagnosis and treatment, and herbal medicine supply. The practical applicability of methodological innovations has been empirically validated, though significant disparities exist in technological adaptability and application depth across different fields. Overall, the digital and intelligent transformation of TCM remains in its nascent stage, grappling with multiple structural challenges:weak data foundations, inadequate technological adaptability, incomplete institutional frameworks, shortages of multidisciplinary talent, lagging policies and regulations, and urban-rural digital divide. In order to foster sustainable development and modernization of TCM, this paper establishes a six-dimensional collaborative governance framework of encompassing data, technology, organization, institutions, environment and ethics, which is rooted in data governance and digital governance theories. Future efforts should center on standardization, integration, and ecosystem development to build a data and technology foundation. Focus should be placed on deepening innovation and application of key TCM-specific technologies, while simultaneously strengthening interdisciplinary talent cultivation, improving institutional mechanisms and policy frameworks, and increasing support for rural areas. By adopting a people-centered and technology-empowered approach, we can overcome developmental constraints and unleash the powerful driving force of digital and intelligent technologies for the inheritance of TCM.
2.The clinical application value of coagulation function indicators in pediatric patients with Burkitt lymphoma
Ping GU ; Qi ZHANG ; Chengyun WANG ; Guoqing ZHU ; Qiuhui PAN ; Jing WANG
Chinese Journal of Blood Transfusion 2025;38(9):1195-1204
Objective: To investigate the abnormal fluctuation of coagulation function indicators in pediatric Burkitt lymphoma patients, and to analyze its correlation with disease progression and prognosis. Methods: The data of 172 children with Burkitt lymphoma in Children's Medical Center, Shanghai Jiao Tong University School of Medicine from January 2020 to December 2023 were retrospectively analyzed, and 120 healthy children were used as control group. Plasma prothrombin time (PT), activated partial thromboplastin time (APTT), thrombin time (TT), fibrinogen (Fib), International standardized ratio (INR), D-dimer (D-D), fibrinogen degradation products (FDP), and antithrombin (AT) were measured. Appropriate statistical methods were used to compare the data between two groups, and the Cox regression model was employed to analyze the influencing factors. A P-value <0.05 was considered statistically significant. Results: Levels of D-D, FDP, INR, and PT were significantly higher in children with Burkitt lymphoma than in the healthy controls [median (P25, P75) for the case group: 0.35 (0.13, 1.22), 3.10 (1.30, 10.20), 1.16 (1.06, 1.24), 12.60 (11.43, 13.50); median (P25, P75) for the healthy control group: 0.10 (0.07, 0.15), 0.60 (0.20, 1.08), 1.06 (1.02, 1.13), 11.50 (11.00, 12.30)](P<0.05). Levels of D-D, FDP, INR, PT, and TT were significantly elevated in children with recurrence compared to those without recurrence [median (P25, P75) for the recurrent group: 0.44 (0.16, 1.42), 3.85 (1.50, 12.25), 1.17 (1.08, 1.24), 12.70 (11.73, 13.50), 16.20 (14.80, 17.80); median (P25, P75) for the non-recurrent group: 0.21 (0.11, 0.69), 2.00 (1.00, 6.85), 1.11 (1.03, 1.24), 11.90 (11.10, 13.43), 15.20 (14.50, 16.40)](P<0.05). Levels of D-D, FDP in children with metastasis were significantly higher than those without metastasis [median (P25, P75) for the metastatic group: 0.51 (0.17, 1.84), 4.38 (1.70, 13.45); median (P25, P75) for the non-metastatic group: 0.20 (0.11, 0.39), 1.50 (1.00, 3.10)] (P<0.05). Levels of D-D and FDP were significantly higher in children with advanced stage than in those with early stage [median (P25, P75) for the high-stage group: 0.33 (0.14, 1.20), 3.10 (1.40, 10.23); median (P25, P75) for the low-stage group: 0.12 (0.08, 0.24), 0.90 (0.50, 2.50)] (P<0.05). Levels of D-D and FDP in high-risk children were significantly higher than those of low-risk [median (P25, P75) for the high-risk group: 0.28 (0.13, 1.01), 2.90 (1.15, 9.65); median (P25, P75) for the low-risk group: 0.12 (0.08, 0.17), 0.80 (0.43, 1.98)] (P<0.05). Levels of D-D, FDP, INR, and PT were significantly higher in children with poor prognosis than in those with favorable prognosis [median (P25, P75) for the poor prognosis group: 1.76 (0.80, 2.72), 13.45 (7.20, 25.30), 1.19 (1.12, 1.32), 12.85 (12.10, 14.35); median (P25, P75) for the favorable prognosis group: 0.23 (0.12, 0.52), 2.00 (1.00, 4.80), 1.14 (1.05, 1.23), 12.30 (11.40, 13.40)] (P<0.05). INR levels significantly increased with accumulating chemotherapy cycles [median (P25, P75) for one session: 1.09 (1.02, 1.20); two sessions: 1.31 (1.23, 1.38); three sessions: 1.79 (1.52, 2.41)] (P<0.05). Age, APTT, D-D, FDP, INR, PT, recurrence and metastasis had a significant effect on the survival of children with Burkitt lymphoma (P<0.05). Conclusion: Patients with Burkitt lymphoma exhibit coagulation disorders, which are influenced by recurrence, metastasis, clinical stage, risk stratification, and prognosis. In clinical practice, it is crucial to prioritize the monitoring of coagulation indicators to facilitate timely detection of coagulation dysfunction.
3.Systematic review and Metaanalysis of intervention effects and maintenance of school based sexual abuse prevention programs
DONG Ziyao, MA Yihan, WANG Guoqing, WU Shouyuan, GONG Wenjie
Chinese Journal of School Health 2025;46(10):1416-1421
Objective:
To explore effects and maintenance of school based sexual abuse prevention programs for minors, so as to provide scientific evidences for optimizing intervention design and policy making.
Methods:
Six Chinese and English databases were searched, including CNKI, Wanfang Database, Medline (via PubMed), Embase, Cochrane Library and Web of Science, with the time frame set from database inception to December 31, 2024. Studies on school based sexual abuse prevention programs for minors were selected, and data on knowledge, attitudes and skills related to sexual abuse prevention were extracted. Meta analysis was performed using Stata 17.
Results:
A total of 26 studies were included. The Meta analysis results showed that school based sexual abuse prevention programs improved participants knowledge ( SMD=1.24, 95%CI =0.96-1.52), attitudes ( SMD=0.62, 95%CI =0.19-1.04) and skills ( SMD=0.66, 95%CI =0.50-0.83) (all P <0.01). During the overall follow up, the maintenance rates for knowledge, attitudes, and skills were 0.97(95% CI =0.95-1.00), 0.99(95% CI =0.95-1.04) and 1.01(95% CI =0.99-1.04), respectively, with no statistically significant differences (all P >0.05). However, knowledge retention declined significantly when follow up exceeded three months ( R=0.91, 95%CI=0.83-0.99, P <0.01), while skills retention ( R=0.94, 95%CI=0.87-1.02, P = 0.23) remained higher than knowledge and attitudes ( R=0.98, 95%CI=0.96-1.00, P =0.13), demonstrating stronger long term effects.
Conclusion
School based sexual abuse prevention programs are effective in enhancing participants knowledge, attitudes and skills, but the intervention effects diminish over time, particularly in knowledge retention.
4.Infrared thermography-assisted design and harvesting of ultrathin anterolateral thigh perforator flaps.
Chenxi ZHANG ; Jiadong PAN ; Shanqing YIN ; Guoqing SHAO ; Xianting ZHOU ; Gaoxiang YU ; Luzhe WU ; Xin WANG
Chinese Journal of Reparative and Reconstructive Surgery 2025;39(9):1143-1148
OBJECTIVE:
To explore the application value of infrared thermography in the design and harvesting of ultrathin anterolateral thigh perforator flaps.
METHODS:
Between June 2024 and December 2024, 9 cases of ultrathin anterolateral thigh perforator flaps were designed and harvested with the assistance of infrared thermography. There were 7 males and 2 females, aged 21-61 years (mean, 39.8 years). The body mass index ranged from 19.49 to 26.45 kg/m² (mean, 23.85 kg/m²). Causes of injury included 5 cases of traffic accident injuries and 4 cases of machine crush injuries. There were 3 cases of leg wounds, 2 cases of foot wounds, and 4 cases of hand wounds. After debridement, the size of wound ranged from 7 cm×4 cm to 13 cm×11 cm. The time from admission to flap repair surgery was 5-12 days (mean, 7 days). Preoperatively, perforator localization was performed using a traditional Doppler flow detector and infrared thermography, respectively. The results were compared with the actual intraoperative locations; a discrepancy ≤10 mm was considered as consistent localization (positive), and the positive predictive value was calculated. All 9 cases were repaired with ultrathin anterolateral thigh perforator flaps designed and harvested based on thermographic images. The size of flap ranged from 8 cm×5 cm to 14 cm×8 cm, with a thickness of 3-6 mm (mean, 5.2 mm). One donor site was repaired with a full-thickness skin graft, and the others were sutured directly. Postoperatively, anti-inflammatory, anticoagulant, and anti-vascular spasm treatments were administered, and follow-up was conducted.
RESULTS:
The Doppler flow detector identified 22 perforating vessels within the set range, among which 16 were confirmed as superficial fascia layer perforators intraoperatively, with a positive predictive value of 72.7%. The infrared thermograph detected 23 superficial fascia layer perforating vessels, and 21 were verified intraoperatively, with a positive predictive value of 91.3%. There was no significant difference between the two methods [OR (95%CI)=3.93 (0.70, 22.15), P=0.100]. The perforator localization time of the infrared thermograph was (5.1±1.3) minutes, which was significantly shorter than that of the Doppler flow detector [(10.1±2.6) minutes; MD (95%CI)=-5.00 (-7.08, -2.91), P<0.001]. Postoperatively, 1 case of distal flap necrosis healed after dressing change; all other flaps survived successfully. The skin grafts at donor site survived, and all incisions healed by first intention. All patients were followed up 3-6 months (mean, 4.7 months). No pain or other discomfort occurred at the donor or recipient sites. All patients with foot wounds could walk with shoes, and no secondary flap revision was required. Flaps in 3 hand wound cases, 2 foot wound cases, and 3 leg wound cases recovered light touch and pressure sensation, but not pain or temperature sensation; the remaining 2 cases had no sensory recovery.
CONCLUSION
Preoperative localization using infrared thermography for repairing ultrathin anterolateral thigh perforator flaps can help evaluate the blood supply status of perforators, reduce complications, and improve surgical safety and flap survival rate.
Humans
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Perforator Flap/blood supply*
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Adult
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Male
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Thermography/methods*
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Female
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Thigh/blood supply*
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Middle Aged
;
Plastic Surgery Procedures/methods*
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Tissue and Organ Harvesting/methods*
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Infrared Rays
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Skin Transplantation/methods*
;
Soft Tissue Injuries/surgery*
;
Young Adult
5.Tongue squamous cell carcinoma-targeting Au-HN-1 nanosystem for CT imaging and photothermal therapy.
Ming HAO ; Xingchen LI ; Xinxin ZHANG ; Boqiang TAO ; He SHI ; Jianing WU ; Yuyang LI ; Xiang LI ; Shuangji LI ; Han WU ; Jingcheng XIANG ; Dongxu WANG ; Weiwei LIU ; Guoqing WANG
International Journal of Oral Science 2025;17(1):9-9
Tongue squamous cell carcinoma (TSCC) is a prevalent malignancy that afflicts the head and neck area and presents a high incidence of metastasis and invasion. Accurate diagnosis and effective treatment are essential for enhancing the quality of life and the survival rates of TSCC patients. The current treatment modalities for TSCC frequently suffer from a lack of specificity and efficacy. Nanoparticles with diagnostic and photothermal therapeutic properties may offer a new approach for the targeted therapy of TSCC. However, inadequate accumulation of photosensitizers at the tumor site diminishes the efficacy of photothermal therapy (PTT). This study modified gold nanodots (AuNDs) with the TSCC-targeting peptide HN-1 to improve the selectivity and therapeutic effects of PTT. The Au-HN-1 nanosystem effectively targeted the TSCC cells and was rapidly delivered to the tumor tissues compared to the AuNDs. The enhanced accumulation of photosensitizing agents at tumor sites achieved significant PTT effects in a mouse model of TSCC. Moreover, owing to its stable long-term fluorescence and high X-ray attenuation coefficient, the Au-HN-1 nanosystem can be used for fluorescence and computed tomography imaging of TSCC, rendering it useful for early tumor detection and accurate delineation of surgical margins. In conclusion, Au-HN-1 represents a promising nanomedicine for imaging-based diagnosis and targeted PTT of TSCC.
Tongue Neoplasms/diagnostic imaging*
;
Carcinoma, Squamous Cell/diagnostic imaging*
;
Animals
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Gold/chemistry*
;
Mice
;
Photothermal Therapy/methods*
;
Tomography, X-Ray Computed
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Photosensitizing Agents
;
Metal Nanoparticles
;
Humans
;
Cell Line, Tumor
6.Effects of sacral neuromodulation on urodynamic parameters during the storage phase in patients with neurogenic bladder
Haichao LIU ; Guoqing CHEN ; Peng ZHANG ; Fan ZHANG ; Baihui WANG ; Fei ZHOU ; Yanhe JU
Journal of Modern Urology 2025;30(12):1075-1079
Objective To explore the effects of sacral neuromodulation (SNM) on urodynamic parameters during the storage phase in patients with neurogenic bladder (NB), so as to provide reference for evaluating the efficacy of SNM. Methods A total 49 NB patients undergoing SNM at our hospital during Oct.2012 and May 2025 were enrolled. Baseline data and video-urodynamic parameters were collected. Changes in maximum cystometric capacity, maximum detrusor pressure during storage phase, and bladder compliance before and after treatment were assessed. Improvements in detrusor overactivity (DO) and vesicoureteral reflux (VUR) were also analyzed. Results Among the 49 patients,27 were male and 22 were female, with a mean age of (37.41±15.15) years, a median disease duration of 5.0 (2.0,15.5) years, and a median follow-up of 11 (1,32) months. Up to 37 patients (75.5%) received permanent sacral nerve pulse generator implantation (permanent implant group), while the remaining 12 were classified as the non-permanent implant group. Before and after the test period, all patients showed a significant increase in maximum cystometric capacity [ (218.0 (93.0,358.5) mL vs.300.0 (238.5, 400.0) mL, P<0.001], a decrease in maximum detrusor pressure during the filling phase [32.0 (13.5,71.0) cmH_2 O vs. 20.0 (9.0,50.0) cmH_2 O, P<0.001], and an improvement in bladder compliance [11.8 (8.3,25.6) mL/cmH_2 O vs.26.7 (8.6,44.1) mL/cmH_2O, P<0.001]. In the permanent implant group, comparisons before and after the test period showed an increase in maximum bladder capacity [ (239.16±147.23) mL vs. (312.24±121.83) mL, P<0.001], a decrease in maximum detrusor pressure during filling[32.0 (15.0,58.0) cmH_2 O vs.15.0 (9.0,41.0) cmH_2 O, P<0.05], and improved bladder compliance [10.8 (8.3,23.6) mL/cmH_2 O vs.28.6 (8.6,41.4) mL/cmH_2 O, P<0.001]. No statistically significant differences in these parameters before and after the test period were observed in the non-permanent implant group (P>0.05). A total of 17 patients in the permanent implant group underwent follow-up video urodynamics. Compared to pre-test values, significant improvements were observed in maximum detrusor pressure during filling, and bladder compliance both at the end of the test period and at the last follow-up (P<0.05). However, no statistically significant differences were found in maximum cystometric capacity, maximum detrusor pressure during filling, and bladder compliance between the end of the test period and the last follow-up (P>0.05). Among the 49 patients,21 had DO and 20 had VUR. Both DO and VUR showed improvement after the test period and at the last follow-up. Conclusion SNM can effectively improve storage function in NB patients, ameliorate detrusor overactivity and bladder compliance, and relieve or eliminate VUR in some patients. Long-term follow-up confirms that SNM provides stable therapeutic effects, demonstrating significant clinical value.
7.Research progress on alternation of the m6A modification-associated epitranscrip-tomes and related function during animal virus infection
Xilong YANG ; Xiangqi QIU ; Jiajing TIAN ; Mengjie LI ; Lele GONG ; Lele WANG ; Aijun SUN ; Guoqing ZHUANG
Chinese Journal of Veterinary Science 2025;45(1):163-169,174
Diseases caused by animal virus infection seriously restricts the healthy development of animal husbandry.In-depth study of the molecular mechanism of viral replication and pathogenesis will provide theoretical basis for screening vaccine and drug targets.N6-methyladenosine(m6 A)modification occurs extensively in viral and host transcriptomes and affects viral replication and pathogenicity by regulating gene expression,which acts as a novel regulator of gene expression in addition to DNA and protein modifications.Insight into the regulatory molecular mechanism of m6 A modification in virus infection is the research hotspots and frontiers.In recent years,there are re-ports of alternation of the m6 A modification-associated epitranscriptomes and related function a-nalysis during virus infection.Here,we summarize the alternation of the epitranscriptomes induced by African swine fever virus(ASFV),porcine reproductive and respiratory syndrome virus(PRRSV),porcine epidemic diarrhoea virus(PEDV),cestode virus(CSFV),porcine pseudorabies virus(PRV),Marek's disease virus(MDV),Newcastle disease virus(NDV),avian leukaemia virus(ALV)and duck hepatitis A virus(DHAV)infection,and the subsequent effects on viral replica-tion and pathogenicity.We also discuss the potential role and molecular mechanism of m6 A modification in animal virus replication and pathogenesis,which will contributes to the prevention and control for animal disease.
8.Study on the Mechanism of Regulating Extracellular Matrix by Tongdu Qishen Acupuncture to Improve Cerebral Blood Flow and Enhance Learning and Memory Ability in SAMP8 Mice
Guoqing WU ; Zidong WANG ; Jiayi YANG ; Yilin TAO ; Jing JIANG ; Xiaoming GAO ; Zhigang LI
World Science and Technology-Modernization of Traditional Chinese Medicine 2025;27(2):355-363
Objective This study aims to investigate the effects of acupuncture on the spatial learning and memory capacities,the morphological characteristics of hippocampal neurons,the components of extracellular matrix,as well as the structure of the blood-brain barrier in SAMP8 mice.Moreover,it endeavors to explore the underlying mechanism through which the"Tongdu Qishen"(activating governor vessel and awakening spirit)acupuncture method ameliorates the cognitive function and modulates cerebral blood flow in SAMP8 mice.Methods Twenty 6-month-old male SAMP8 mice were randomly allocated into a model group and an electroacupuncture group,with ten mice in each group.Additionally,ten homologous 6-month-old male SAMR1 mice were designated as the normal control group.In the electroacupuncture group,the acupoint"Renzhong"(GV 26)was punctured using a quick insertion technique,while"Baihui"(GV 20)and"Yintang"(EX-HN 3)were punctured via a transverse insertion method.Subsequently,the needle handles were connected to an electroacupuncture apparatus,which was set to operate with a dense-sparse wave at a frequency of 100 Hz/2 Hz and an electric current of 2 mA.Each session of acupuncture lasted for 20 minutes and was conducted once a day for a consecutive period of 28 days.The normal group,the model group,and the electroacupuncture group all underwent identical fixation and restraint procedures to ensure consistent experimental conditions.The Morris water maze was employed to evaluate the spatial learning and memory abilities of the mice.The Nissl staining technique was utilized to assess the alterations in hippocampal neurons of SAMP8 mice.The laser speckle imaging system was adopted to measure the cerebral blood flow of the mice in each group.Transmission electron microscopy was applied to observe the ultrastructure of the blood-brain barrier within the frontal cortex tissue of the SAMP8 mice's brains.The Western blotting method was used to detect the expressions of Collagen-Ⅳ and Fibronectin in the brain tissues of SAMP8 mice.Results In comparison with the model group,the"Tongdu Qishen"acupuncture method demonstrated a significant efficacy in improving the spatial learning and memory abilities of SAMP8 mice(P<0.05).It also effectively alleviated the degeneration of hippocampal neurons,remarkably increased the cerebral blood flow perfusion volume of SAMP8 mice(P<0.05),ameliorated the damage to the blood-brain barrier structure,significantly upregulated the content of Collagen-Ⅳ(P<0.05),and significantly downregulated the content of Fibronectin(P<0.0001).Conclusion The"Tongdu Qishen"acupuncture method is capable of favorably regulating the extracellular matrix of SAMP8 mice,thereby improving cerebral blood flow and ultimately enhancing their learning and memory abilities.
9.Chest contrast-enhanced CT combined with artificial intelligence iterative reconstruction for bronchial artery imaging
Youyong WEI ; Tiantian WANG ; Yingwei LUO ; Linyu LU ; Yanping DING ; Guoqing YAO ; Qinglian LI ; Xiaohui GUAN
Chinese Journal of Medical Imaging Technology 2025;41(4):530-534
Objective To investigate the value of chest contrast-enhanced CT(C-CECT)combined with artificial intelligence iterative reconstruction(AIIR)for bronchial artery(BA)imaging.Methods Seventy patients who underwent C-CECT were prospectively enrolled.The images were reconstructed with AIIR(AIIR group)and hybrid iterative reconstruction(HIR,HIR group),respectively.The overall image quality,the traceability of BA,the sharpness of BA and the diagnostic confidence of abnormalities of BA were subjectively graded using a 5-point scale by two radiologists,respectively.The subjective scores and inter-observer agreement were compared between groups.The noise(SD)in reconstructed images of thoracic aorta,pulmonary trunk,BA and spinal erectors,the contrast-to-noise ratio(CNR)of the above 3 arteries relative to spinal erectors,and the diameters of BA at the origin,bifurcation and pulmonary hilum were compared between groups.Results The scores of the overall image quality,the traceability of BA,the sharpness of BA and the diagnostic confidence of abnormalities of BA were all significantly higher in AIIR group than those in HIR group(all P<0.001),all with good inter-observer agreement(Kappa=0.46-0.73).SD of the aorta,pulmonary artery trunk,BA and erector spinal muscle in AIIR group were lower than those in HIR group,while CNR of above 3 arteries were higher than those in HIR group(all P<0.05).No significant difference of the diameter of BA at each position was found between groups(all P>0.05),while the consistency of measurement of AIIR group was higher than that of HIR group(intra-class correlation coefficient:0.89-0.94 vs.0.63-0.78).Conclusion C-CECT combined with AIIR could significantly improve imaging quality and diagnostic confidence of BA.
10.Multi dimensional assessment study on the accuracy and clinical application of mainstream and sidestream monitoring technologies for partial pressure of end tidal carbon dioxide in monitoring devices
Sheng CHENG ; Fei WANG ; Guoqing WANG ; Nanhai WANG ; Dehao ZHU ; Zhijie LIU
China Medical Equipment 2025;22(8):1-6,16
Objective:To investigate the measurement differences between mainstream and sidestream partial pressure of end tidal carbon dioxide(PetCO2)monitoring techniques in mechanically ventilated patients,as well as the correlation with partial pressure of arterial blood carbon dioxide(PaCO2)and clinical applicability,and to provide a basis for the rational selection of monitoring methods in the clinic.Methods:A total of 169 patients who underwent invasive mechanical ventilation in the operating room of the First Affiliated Hospital of Bengbu Medical University from August to November 2024 were selected to be monitored by three monitoring techniques of mainstream PetCO2,sidestream PetCO2 and PaCO2,respectively,and the 243 sets of valid pairwise data monitored by the three monitoring techniques were recorded,analyzed for correlation and deviation,and performed PaCO2 and PetCO2 were stratified and analyzed.Likert scales were used to analyze the subjective ratings of the 3 monitoring techniques of mainstream PetCO2,sidestream PetCO2,and PaCO2 by the 31 health care professionals who used the study.Results:Both mainstream and sidestream PetCO2 correlated with PaCO2(r=0.554,0.515,P<0.05),and mainstream PetCO2 correlated better than sidestream;mainstream PetCO2 was lower than the concurrent PaCO2 by 6.00 mmHg,and the 95%limit of agreement(95%LoA)was±6.28 mmHg,both lower than that of sidestream by 8.24 mmHg and±7.41 mmHg.8.24 mmHg and±7.41 mmHg.The dispersion of sidestream PetCO2 monitoring values was greater,especially at high PaCO2 levels.Mainstream method PetCO2 had the highest correlation with PaCO2 in gynecologic patients(r=0.820,P<0.05),and sidestream method PetCO2 underestimated PaCO2 more markedly in gastrointestinal and hepato-biliary-pancreatic surgery patients.The deviation of oxygenation index≤300 mmHg was significantly greater than that of patients with oxygenation index>300 mmHg,and the tendency of underestimation was more significant at high PaCO2.31 healthcare experts evaluated that the mainstream PetCO2 monitoring method was outstanding in terms of accuracy and real-time,and that the sidestream method of PetCO2 monitoring was advantageous in terms of ease of operation and management of consumables.Conclusion:In patients who receive mechanical ventilation,the precision,accuracy and real-time of mainstream PetCO2 monitoring are better,which is suitable for patients with rapid changes in disease condition or patients at risk of hypercapnia.The sidestream method is suitable for non-intubated or transported patients,but it is easy to be underestimated at high PaCO2,and it needs to be corrected regularly in combination with arterial blood gas.The clinical application should rationally choose monitoring method after a comprehensive assessment based on the patient's disease condition,oxygenation status,and the scenario of use.


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