1.Preliminary application of sacral neuromodulation in patients with benign prostatic hyperplasia complicated with underactive bladder after transurethral resection of the prostate
Ning LIU ; Yan ZHANG ; Tao LI ; Qiang HU ; Kai LU ; Lei ZHANG ; Jianping WU ; Shuqiu CHEN ; Bin XU ; Ming CHEN
Journal of Modern Urology 2025;30(1):39-42
[Objective] To evaluate the efficacy and safety of sacral neuromodulation (SNM) in the treatment of patients with benign prostatic hyperplasia (BPH) complicated with underactive bladder (UAB) who respond poorly to transurethral resection of the prostate (TURP). [Methods] A retrospective analysis was performed on 10 patients with BPH and UAB treated with TURP by the same surgeon in Zhongda Hospital Southeast University during Jan.2018 and Jan.2023.The residual urine volume was not significantly relieved after operation, and the maximum urine flow rate and urine volume per discharge were not significantly improved.All patients underwent phase I SNM, and urinary diaries were recorded before and after surgery to observe the average daily frequency of urination, volume per urination, maximum urine flow rate, and residual urine volume. [Results] The operation time was (97.6±11.2) min.During the postoperative test of 2-4 weeks, if the residual urine volume reduction by more than 50% was deemed as effective, SNM was effective in 6 patients (60.0%). Compared with preoperative results, the daily frequency of urination [(20.2±3.8) times vs. (13.2±3.2) times], volume per urination [(119.2±56.7) mL vs. (246.5±59.2) mL], maximum urine flow rate [(8.7±1.5) mL/s vs. (16.5±2.6) mL/s], and residual urine volume [(222.5±55.0) mL vs. (80.8±16.0) mL] were significantly improved, with statistical significance (P<0.05). There were no complications such as bleeding, infection, fever or pain.The 6 patients who had effective outcomes successfully completed phase II surgery, and the fistula was removed.During the follow-up of 1 year, the curative effect was stable, and there were no complications such as electrode displacement, incision infection, or pain in the irritation sites.The residual urine volume of the other 4 unsuccessful patients did not improve significantly, and the electrodes were removed and the vesicostomy tube was retained. [Conclusion] SNM is safe and effective in the treatment of BPH with UAB patients with poor curative effects after TURP.
2.Chaihu Shugansan Combined with Ferulic Acid Regulates BDNF/TrkB Signaling Pathway and Monoamine Neurotransmitters in Frontal Cortex of Rat Model of CUMS
Yuexin LI ; Zhijing ZHANG ; Ziyi GUO ; Di YAN ; Xueyan HU ; Jianping YAO
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(15):28-37
ObjectiveTo observe the antidepressant effect of Chaihu Shugansan combined with ferulic acid on the rat model of chronic unpredictable mild stress (CUMS) and explore the mechanism from the histomorphology of frontal cortex, expression of key molecules in the brain-derived neurotrophic factor (BDNF)/tyrosine kinase receptor B (TrkB) signaling pathway, and changes in monoamine neurotransmitter levels. MethodsSixty adult male SD rats were randomized into six groups (n=10): blank control, depression model, Chaihu Shugansan (3.3 g·kg-1·d-1), ferulic acid (50 mg·kg-1·d-1), Chaihu Shugansan (3.3 g·kg-1·d-1) + ferulic acid (50 mg·kg-1·d-1), and fluoxetine (2.1 mg·kg-1·d-1). Rats in other groups except the blank control group were subjected to a mild chronic unpredictable stress stimulus every day. Seven stimuli were used, including fasting with free access to water for 24 h, water deprivation with free access to food for 24 h, wetting the bedding with water in the cage, restraint for 3 h, tail clamping for 1 min, swimming in ice water at 4 ℃, and day and night reversal. Each stimulus was used 1 to 3 times, and the modeling lasted for a total of 21 days. At the same time of stimulation, rats in each medication group were treated with corresponding agents by gavage, while those in the blank control group and the depression model group received equal volumes of normal saline by gavage. The open field test, sucrose preference test, and forced swimming test were conducted before and after modeling. The rats were anesthetized by intraperitoneal injection of 3% pentobarbital sodium, and the frontal cortex was isolated on ice. The mRNA and protein levels of BDNF, TrkB, and cyclic adenosine monophosphate-responsive element-binding protein (CREB) in the frontal cortex were determined by Real-time fluorescence quantitative polymerase chain reaction (Real-time PCR) and Western blot, respectively. The levels of monoamine neurotransmitters 5-hydroxytryptamine (5-HT), dopamine (DA), and norepinephrine (NE) in the frontal cortex were determined by enzyme-linked immunosorbent assay. Light microscopy was employed to observe the histopathological changes in the frontal cortex. ResultsCompared with the blank control group, the depression model group showed reduced body mass (P<0.05, P<0.01), decreased number of crossings and rearings in the open field test and sucrose preference (P<0.01), prolonged time of immobility in the forced swimming test (P<0.01), reduced neuronal cells, increased necrotic cells, and darkening cell staining in the frontal cortex, down-regulated mRNA and protein levels of BDNF, TrkB, CREB, and lowered levels of 5-HT, NE, and DA in the frontal cortex (P<0.01). Compared with the depression model group, each intervention group showed improved general state, increased body mass (P<0.05), increased number of crossings (P<0.05), shortened immobility time in the forced swimming test (P<0.01), increased neuronal cells, reduced necrotic cells, and lightened cellular staining in the frontal cortex, up-regulated mRNA and protein levels of BDNF, TrkB and CREB, and elevated levels of 5-HT, NE, and DA in the frontal cortex (P<0.01). Moreover, the Chaihu Shugansan + ferulic acid group outperformed the Chaihu Shugansan group and the ferulic acid group in increasing the body mass and the 5-HT content in the frontal cortex (P<0.05). The combination group outperformed the Chaihu Shugansan group regarding the number of rearings and up-regulation in the mRNA level of BDNF in the frontal cortex (P<0.05), and it was superior to the ferulic acid group in terms of shortening the immobility time in the forced swimming test, up-regulating the mRNA levels of BDNF, TrkB, and CREB and the protein levels of BDNF and CREB in the frontal cortex, and increasing the DA content in the frontal cortex (P<0.05). ConclusionChaihu Shugansan combined with ferulic acid can exert antidepressant effect on the rat model of CUMS by regulating the BDNF/TrkB signaling pathway and monoamine neurotransmitter content in the frontal cortex. Moreover, the antidepressant effect of Chaihu Shugansan combined with ferulic acid was more significant than that of Chaihu Shugansan and ferulic acid used alone.
3.Analysis of Chaihu Jia Longgu Mulitang Based on Trinity Life View of ''Physique, Qi, and Spirit''
Jiaxin ZHOU ; Jianping HU ; Zhengqiang LIU ; Xiyang LIU ; Dingding ZHANG ; Yaya DANG ; Wenchun ZHANG
Chinese Journal of Experimental Traditional Medical Formulae 2025;31(16):225-234
Based on the trinity life view of ''physique, Qi, and spirit'', Chaihu Jia Longgu Mulitang treats the patient's physical symptoms, disorders of Qi movement, and disorders of consciousness, covering the overall treatment and comprehensive nursing of physique, Qi, and spirit. It is widely applied and recognized for its efficacy in modern clinical practice. This paper explored the treatment effect of Chaihu Jia Longgu Mulitang from the trinity life view of ''physique, Qi, and spirit''. This formula mainly targeted patients with Qi deficiency caused by cold, leading to a syndrome of Qi stagnation and water retention in the Triple Energizer Meridian of Hand Lesser Yang (TE), as well as fire-heat syndrome in the Large Intestine Meridian of Hand Yang Brightness (LI) and Stomach Meridian of Foot Yang Brightness (ST), accompanied by disorder of nutrient-blood and subsequent spirit and soul unrest. Accurately judging the imbalance of the patient's physique, Qi, and spirit and using an appropriate combination of medicinals can achieve balance among the three to achieve the best effect. The treatment strategy of Chaihu Jia Longgu Mulitang is as follows: For disorders of Qi movement, such as Qi deficiency, Qi stagnation, and gastrointestinal fire-heat, Ginseng Radix et Rhizoma and Bupleuri Radix-Scutellariae Radix, and Rhei Radix et Rhizoma are used in combination. For physical symptoms such as water retention and disorder of nutrient-blood, Poria-Pinelliae Rhizoma-Zingiberis Rhizoma Recens, as well as Cinnamomi Ramulus-Jujubae Fructus are used in combination. Finally, Os Draconis-Ostreae Concha-Plumbum Rubrum is used to calm the spirit and soothe the soul. According to existing research, Chaihu Jia Longgu Mulitang has shown good efficacy in treating a variety of complex clinical diseases. This article provides a comprehensive interpretation of Chaihu Jia Longgu Mulitang from the perspective of the trinity life view of ''physique, Qi, and spirit'', offering new insights for clinical syndrome differentiation, treatment, and prescription.
4.Efficacy of retrograde intramedullary nailing in managing tibial osteofibrous dysplasia in pediatric patients
Zhaoqiang CHEN ; Jianping YANG ; Zhongli ZHANG ; Yongcheng HU ; Zhe FU ; Kan WANG ; Shuzhen DENG
Chinese Journal of Orthopaedics 2024;44(5):308-314
Objective:To delineate the surgical methodology and therapeutic paradigm of proximal tibial notch retrograde interlocking intramedullary nailing for ameliorating deformities due to osteofibrous dysplasia (OFD) in a pediatric population.Methods:A retrospective assessment was conducted on the medical records of individuals undergoing orthopedic osteotomy complemented by retrograde interlocking intramedullary nailing for OFD of the tibia from January 2016 to December 2019. The cohort comprised 15 patients, with a follow-up exceeding three years, documenting complete data sets. The patient profile included 8 males and 7 females, with 8 left-side and 7 right-side afflictions. The mean age at the time of surgery was 10.1±2.5 years, ranging from 7.1 to 12.6 years. Parameters measured were preoperative and postoperative imaging findings, which encompassed the scope of the lesion (longitudinal lesion length relative to tibial length), coronal and sagittal limb alignments, and lower limb length discrepancies.Results:The mean follow-up duration was 3.4±1.3 years, ranging from 3 to 6.6 years. Preoperatively, prominent anterior tibial arch deformities and limping were present, with 7 cases reporting fatigue-induced pain and 3 instances of pathological fractures. Post-surgery, pain symptoms were resolved, gait disturbances were improved in 9 patients, and completely resolved in 6. Tibial osteotomy or fracture healing of 15 patients averaged 3.9±0.7 months (range 3-5 months). The lesion range before surgery was 0.41±0.17, immediately after surgery was 0.38±0.17, and at the last follow-up was 0.30±0.16, with no statistical significance ( F=0.101, P=0.904). Lesion range showed no significant change throughout treatment, but radiographic density within the lesion notably increased post-surgery, suggesting bone improvement. The anterior tibial arch Angle was 28.30°±6.62° (range 20°-45°) before surgery, 4.73°±1.53° immediately after surgery, and 6.87°±1.36° at the last follow-up, with statistical significance ( F=159.739, P<0.001). A significant correction in the anterior tibial arch deformity was achieved and maintained postoperatively. There was no significant angular deformity of the tibia in the coronal plane before operation, and the medial proximal tibial angle (MPTA) and lateral distal tibial angle (LDTA) were 87.50°±1.46° and 88.30°±1.62°, 88.40°±1.46° and 88.70°±1.45° immediately after surgery, and 88.00°±1.39° and 89.10°±1.53° at the last follow-up, the differences were statistically significant ( F=1.741, P=0.188; F=1.016, P=0.371), there was no coronal deformity of tibia. The limb length discrepancy (LLD) was 0.60±0.98 cm before surgery, 0.18±0.93 cm at the last follow-up, with statistical significance ( t=0.096, P=0.761). There were no incidents of postoperative complications such as infection. Conclusion:In pediatric cases of tibial deformities attributed to osteofibrous dysplasia, a therapeutic strategy involving osteotomy for lower limb realignment, sans curettage or bone grafting of the lesion, followed by retrograde interlocking intramedullary nailing, yields favorable outcomes. Importantly, this implantation technique does not compromise the integrity of the proximal tibial epiphyseal plate in children and adolescents.
5.Clinical effect of plating after lengthening to assist the consolidation of tibial shortening in children
Shuzhen DENG ; Zhe FU ; Wuzeng WEI ; Kan WANG ; Zhaoqiang CHEN ; Zhongli ZHANG ; Jianping YANG ; Yongcheng HU
Chinese Journal of Orthopaedics 2024;44(6):362-371
Objective:To explore the clinical effect of plating after lengthening to assist the consolidation of tibial shortening deformity in children.Methods:A retrospective analysis was conducted on 10 children with tibial shortening who were treated with circular external fixator lengthening and replacement with plate-assisted internal fixation (study group) in the Department of Pediatric Orthopedics of Tianjin Hospital from November 2019 to October 2022, and 16 children who were treated by circular external fixator only during the same period were enrolled as the external fixator group (control group). Among the 26 cases, there were 15 males and 11 females, 10 left knees and 16 right knees. The average age at the time of surgery was 8.8±4.7 years (range 5.1-13.8 years). The gender, side, age at the time of surgery were compared between the two groups. The extension length, external fixator index, healing index, Kolcaba comfort scale score, knee and ankle joint range of motion, complications and average total hospitalization costs were recorded.Results:There were no significant differences in gender, side, age at the time of surgery between the study group and control group. The extended lengths were 5.44±1.25 cm and 5.78±1.11 cm respectively without significant difference ( t=0.096, P=0.096). The external fixator index and healing index were 17.86±2.94 d/cm vs. 50.97±7.03 d/cm and 40.94±6.63 d/cm vs. 45.24±5.98 d/cm in study group and the control group with significant differences ( t=13.299, P<0.001; t=1.289, P=0.033). The Kolcaba comfort scale score of the children in the study group was higher than that of the control group, with significant difference ( t=6.821, P=0.001). Comparing the range of motion of the knee and ankle joints between the two groups, there were no significant differences before surgery, at the end of extension surgery, and at the final follow-up. When the extension end was healed, the range of motion of the knee joint was137.89°±4.40° vs. 114.09°±13.60° and ankle joint was 64.35°±5.50° vs. 56.65°±8.86° in the study group and control group with significant difference ( t=17.235, P<0.001; t=7.821, P=0.002). In the study group, 4 cases had pin tract infection, but no refracture occurred; in the control group, pin tract infection occurred in 13 cases, and refracture occurred in 2 cases after removal of the external fixator. The average total hospitalization cost of the study group was higher than that of the control group with significant difference ( t=3.745, P=0.036). Conclusion:The clinical effect of replacing plate-assisted internal fixator during the mineralization period of tibial shortening in children is reliable, and can significantly shorten the time for using external fixator. It is beneficial to the healing of the extended end of the osteotomy and the functional recovery of the knee and ankle joints. Being more comfortable for children with fewer complications, it is applicable for children who need long-distance extension, multiple extensions with limited joint function, poor tolerance for external fixators and low treatment compliance.
6.Research progress on application of machine learning in discharge preparation service for patients
Huanting HU ; Sisi HONG ; Yingying JIA ; Jianping SONG
Chinese Journal of Nursing 2024;59(3):378-384
With the deepening of the reform of the medical and health system and the continuous optimization of the medical order,it is especially important to organize the development of admission and discharge standards and improve the service of preparing patients for discharge.In recent years,the research and application of machine learning technology in the medical field has been intensifying,and it has unique advantages in processing data and risk prediction research.Therefore,this paper reviews the development process,types of machine leaming,the content and effects of its application in patient discharge preparation services,and the current problems,in order to provide references for healthcare professionals to implement the best clinical decisions and further improve the patient discharge preparation service model.
7.Effects of aerobic exercise on learning and memory functions, hippocampal synaptic plasticity and the adiponectin signaling pathway in diabetic rats
Qinghua TIAN ; Xia LIU ; Penghui DENG ; Wei JI ; Jianping LI ; Rundong HU
Chinese Journal of Geriatrics 2024;43(3):348-353
Objective:To explore the effects of aerobic exercise on learning and memory functions, hippocampal synaptic plasticity and the ADPN signaling pathway in diabetic rats.Methods:6-week-old male SD rats were randomly divided into a blank control group(NC group)and a high-fat diet group, and a rat model for diabetes was induced by feeding rats in the high-fat diet group with a high-fat diet combined with intraperitoneal instillation of low-dose streptozotocin(STZ)for 5 weeks.Rats in the high-fat diet group were further divided into a diabetic group(DC group)and a diabetic aerobic exercise group(DM group)after successful establishment of the model.Rats in the DM group were subjected to aerobic exercise for eight weeks and then the Morris water maze test was conducted to assess learning and memory functions, relevant serum markers were measured, Golgi staining was used to examine synaptic changes in the hippocampus, and Western blot was carried out to detect hippocampal protein expression levels of adiponectin(ADPN), AMP-activated protein kinase(AMPK), glucose transporter 4(GLUT4), synaptic plasticity-related protein synaptophysin(SYN)and postsynaptic density protein 95(PSD-95)for rats in each group.Results:Serum FBG and HBA1c in diabetic rats were markedly significantly decreased after 8 weeks of aerobic exercise( P<0.01), and serum ADPN and insulin were significantly increased after 8 weeks of aerobic exercise( P<0.05).When test results from the three groups of rats compared, the F value was 69.248 for FBG, 6.740 for INS, 7.017 for HBA1C and 14.315 for serum ADPN.The results of the water maze test and hippocampal Golgi staining showed that the escape latency of diabetic rats was highly significantly decreased after 8 weeks of aerobic exercise( P<0.01).The platform crossing times, the number of dendritic branches and the dendritic spine density in the hippocampal CA3 region of diabetic rats were significantly increased after 8 weeks of aerobic exercise( P<0.05).When results from the three groups of rats were compared, the F value was 13.934 for escape latency, 5.864 for platform crossing times, 9.307 and 6.734 for the number of dendritic branches and the density of dendritic spine in hippocampal CA3 region.Hippocampal PSD-95, SYN, ADPN, p-AMPK, and GLUT4 protein expression levels of diabetic rats were significantly increased( P<0.05)after 8 weeks of aerobic exercise.When results from the three groups of rats were compared, the F value was 15.137 for SYN, 5.415 for PSD-95, 9.687 for ADPN, 27.761 for GLUT4, and 9.298 for p-AMPK. Conclusions:Eight weeks of aerobic exercise can improve the learning and memory functions of diabetic rats, and the mechanisms may be related to exercise-induced hippocampal ADPN/AMPK/GLUT4 signaling activation in rats, leading to enhanced synaptic plasticity in the hippocampus.
8.Mechanism of Qizhu Kang'ai Prescription for Inhibiting Proliferation of Hepatocellular Carcinoma by Regulating Tumor Metabolic Reprogramming via PCK1/Akt/p21 Signal Axis
Xin ZHONG ; Rui HU ; Jing LI ; Lanfen PENG ; Xingning LIU ; Qi HUANG ; Jialing SUN ; Xinfeng SUN ; Jianping CHEN ; Benqiang CAI ; Xiaozhou ZHOU
Chinese Journal of Experimental Traditional Medical Formulae 2024;30(3):26-36
ObjectiveTo study the effect of Qizhu Kang'ai prescription (QZAP) on the gluconeogenesis enzyme phosphoenolpyruvate carboxykinase 1 (PCK1) in the liver of mouse model of liver cancer induced by diethylnitrosamine (DEN) combined with carbon tetrachloride (CCl4) and Huh7 cells of human liver cancer, so as to explore the mechanism on regulating metabolic reprogramming and inhibiting cell proliferation of liver cancer cells. MethodDEN combined with CCl4 was used to construct a mouse model of liver cancer via intraperitoneal injection. A normal group, a model group, and a QZAP group were set up, in which QZAP (3.51 g·kg-1) or an equal volume of normal saline was administered daily by gavage, respectively. Serum and liver samples were collected after eight weeks of intervention. Serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), γ-glutamyltransferase (γ-GT), and alpha-fetoprotein (AFP) in mice were detected to evaluate liver function changes of mice in each group. Hematoxylin-eosin (HE) staining and Sirius red staining were used to observe pathological changes in liver tissue. In the cell experiment, Huh7 cells were divided into blank group, QZAP low, medium, and high dose groups and/or PCK1 inhibitor (SKF-34288 hydrochloride) group, and Sorafenib group. The corresponding drug-containing serum and drug treatment were given, respectively. Cell counting kit-8 (CCK-8) method, colony formation experiment, Edu fluorescent labeling detection, intracellular adenosine triphosphate (ATP) content detection, and cell cycle flow cytometry detection were used to evaluate the proliferation ability, energy metabolism changes, and change in the cell cycle of Huh7 cells in each group. Western blot was used to detect the protein expression levels of PCK1, serine/threonine kinase (Akt), phosphorylated Akt (p-Akt), and cell cycle-dependent protein kinase inhibitor 1A (p21). ResultCompared with the model group, the pathological changes such as cell atypia, necrosis, and collagen fiber deposition in liver cancer tissue of mice in the QZAP group were alleviated, and the number of liver tumors was reduced (P<0.01). The serum ALT, AST, γ-GT, and AFP levels were reduced (P<0.01). At the cell level, compared with the blank group, low, medium, and high-dose groups of QZAP-containing serum and the Sorafenib group could significantly reduce the survival rate of Huh7 cells (P<0.01) and the number of positive cells with Edu labeling (P<0.01) and inhibit clonal proliferation ability (P<0.01). The QZAP groups could also reduce the intracellular ATP content (P<0.05) and increase the distribution ratio of the G0/G1 phase of the cell cycle (P<0.05) in a dose-dependent manner. Compared with the model group and blank group, PCK1 and p21 protein levels of mouse liver cancer tissue and Huh7 cells in the QZAP groups were significantly reduced (P<0.05,P<0.01), and the p-Akt protein level was significantly increased (P<0.01). Compared with the blank group, the ATP content and cell survival rate of Huh7 cells in the SKF-34288 hydrochloride group were significantly increased (P<0.05), but there was no statistical difference in the ratio of Edu-positive cells and the proportion of G0/G1 phase distribution. Compared with the SKF-34288 hydrochloride group, the QZAP combined with the SKF-34288 hydrochloride group significantly reduced the ATP content, cell survival rate, and Edu-positive cell ratio of Huh7 cells (P<0.05) and significantly increased the G0/G1 phase distribution proportion (P<0.05). ConclusionQZAP may induce the metabolic reprogramming of liver cancer cells by activating PCK1 to promote Akt/p21-mediated tumor suppression, thereby exerting an anti-hepatocellular carcinoma proliferation mechanism.
9.Methodology for Developing Patient Guideline(1):The Concept of Patient Guideline
Lijiao YAN ; Ning LIANG ; Ziyu TIAN ; Nannan SHI ; Sihong YANG ; Yufang HAO ; Wei CHEN ; Xiaojia NI ; Yingfeng ZHOU ; Ruixiang WANG ; Zeyu YU ; Shuyu YANG ; Yujing ZHANG ; Ziteng HU ; Jianping LIU
Journal of Traditional Chinese Medicine 2024;65(20):2086-2091
Since the concept of patient versions of guidelines (PVGs) was introduced into China, several PVGs have been published in China, but we found that there is a big difference between the concept of PVG at home and abroad, and the reason for this difference has not been reasonably explained, which has led to ambiguity and even misapplication of the PVG concept by guideline developers. By analyzing the background and purpose of PVGs, and the understanding of the PVG concept by domestic scholars, we proposed the term patient guidelines (PGs). This refers to guidelines developed under the principles of evidence-based medicine, centered on health issues that concern patients, and based on the best available evidence, intended for patient use. Except for the general attribute of providing information or education, which is typical of common health education materials, PGs also provide recommendations and assist in decision-making, so PGs include both the patient versions of guidelines (PVG) as defined by the Guidelines International Network (GIN) and "patient-directed guidelines", i.e. clinical practice guidelines resulting from the adaptation or reformulation of recommendations through clinical practice guidelines.
10.Methodology for Developing Patient Guideline (2):Process and Methodology
Lijiao YAN ; Ning LIANG ; Nannan SHI ; Sihong YANG ; Ziyu TIAN ; Dan YANG ; Xiaojia NI ; Yufang HAO ; Wei CHEN ; Ruixiang WANG ; Yingfeng ZHOU ; Shibing LIANG ; Shuyu YANG ; Yujing ZHANG ; Ziteng HU ; Jianping LIU
Journal of Traditional Chinese Medicine 2024;65(21):2194-2198
At present, the process and methodology of patient guidelines (PGs) development varies greatly and lacks systematic and standardised guidance. In addition to the interviews with PG developers, we have sorted out the relevant methodology for the adaptation and development of existing clinical practice guideline recommendations and facilitated expert deliberations to achieve a consensus, so as to finally put forward a proposal for guidance on the process and methodology for the development of PGs. The development of PGs can be divided into the preparation stage, the construction stage, and the completion stage in general, but the specific steps vary according to the different modes of development of PGs. The development process of Model 1 is basically the same as the patient version of the guideline development process provided by the International Guidelines Network, i.e., team formation, screening of recommendations, guideline drafing, user testing and feedback, approval and dissemination. The developer should also first determine the need for and scope of translating the clinical practice guideline into a patient version during the preparation phase. Model 2 adds user experience and feedback to the conventional clinical practice guideline development process (forming a team, determining the scope of the PG, searching, evaluating and integrating evidence, forming recommendations, writing the guideline, and expert review). Based on the different models, we sort out the process and methods of PG development and introduce the specific methods of PG development, including how to identify the clinical problem and how to form recommendations based on the existing clinical practice guidelines, with a view to providing reference for guideline developers and related researchers.

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