1.Endoscopic vacuum therapy for gastrointestinal transmural defects: a literature review
Tan Minh LE ; Van Huy TRAN ; Kyu Sung CHUNG ; Seong Woo JEON
Clinical Endoscopy 2025;58(2):181-190
Endoscopic vacuum therapy (EVT) has emerged as a transformative approach for managing gastrointestinal (GI) transmural defects, offering a less invasive and more promising alternative to surgery. Initially developed to address anastomotic leaks after rectal surgery, the application of EVT has expanded to include other locations within the GI tract. This review investigated the principles, indications, procedures, outcomes, challenges, and future perspectives of EVT for the management of GI transmural defects. In conclusion, EVT has demonstrated favorable outcomes in GI defect closure, with reduced complications, shortened hospital stay, and decreased morbidity rates as compared with conventional treatments. Although EVT faces challenges in some specific anatomical locations and in managing severe complications such as major bleeding, ongoing advancements in technology and standardization efforts offer promise for broader indications and better outcomes. Future perspectives include exploring novel EVT devices, refining patient selection criteria and pre-emptive applications, and standardizing procedural protocols.
2.Effectiveness of biportal endoscopic lumbar interbody fusion using the multi-layer bone grafting technique: a retrospective study from Vietnam
Tran Vu Hoang DUONG ; Pham Anh TUAN ; Huynh Van VU ; Chu Van LAM ; Le Tan LINH ; Phan DUY ; Wongthawat LIAWRUNGRUEANG
Asian Spine Journal 2025;19(2):228-241
Methods:
This study included 41 patients with single-level grades 1 or 2 LS from February 2023 to February 2024. Clinical outcomes were assessed using the Visual Analog Scale (VAS) for back and leg pain and the Oswestry Disability Index (ODI). Bridwell fusion grades were evaluated via lumbar spine computed tomography performed 6 months postoperatively.
Results:
Over a mean follow-up period of 10.6 months (range, 7–18 months), significant improvements were observed in VAS scores for low back pain (from 7.8±0.8 to 2.1±1.4) and leg pain (from 8.1±1.3 to 1.9±1.5) as well as ODI scores (from 50.4±15.4 to 14.8±10.5). The cohort consisted of patients with grades 1 (73.2%) and 2 LS (26.8%) at L4–L5 (58.6%), L5–S1 (34.1%), and L3–L4 (7.3%) levels. The mean operation time was 182.8±36.4 minutes, with a mean intraoperative blood loss of 190.5±81.3 mL and a mean hospital stay of 7.2±3.6 days. Successful fusion (Bridwell grades I/II) was achieved in 82.9% of the cases, with a 4.9% incidence of cage subsidence. Minor complications included durotomies in two patients (4.9%), whereas no major complications, such as nerve root injury, hardware-related issues, or postoperative infections, were reported.
Conclusions
The described BE-LIF technique, using HA bone grafts, which are an autologous bone from the preserved IAP, and a TLIF cage, is a viable, safe, and effective option for treating low-grade LS. This approach achieves favorable clinical outcomes and high fusion rates, which provides a cost-effective alternative to advanced surgical implants.
3.Effectiveness of biportal endoscopic lumbar interbody fusion using the multi-layer bone grafting technique: a retrospective study from Vietnam
Tran Vu Hoang DUONG ; Pham Anh TUAN ; Huynh Van VU ; Chu Van LAM ; Le Tan LINH ; Phan DUY ; Wongthawat LIAWRUNGRUEANG
Asian Spine Journal 2025;19(2):228-241
Methods:
This study included 41 patients with single-level grades 1 or 2 LS from February 2023 to February 2024. Clinical outcomes were assessed using the Visual Analog Scale (VAS) for back and leg pain and the Oswestry Disability Index (ODI). Bridwell fusion grades were evaluated via lumbar spine computed tomography performed 6 months postoperatively.
Results:
Over a mean follow-up period of 10.6 months (range, 7–18 months), significant improvements were observed in VAS scores for low back pain (from 7.8±0.8 to 2.1±1.4) and leg pain (from 8.1±1.3 to 1.9±1.5) as well as ODI scores (from 50.4±15.4 to 14.8±10.5). The cohort consisted of patients with grades 1 (73.2%) and 2 LS (26.8%) at L4–L5 (58.6%), L5–S1 (34.1%), and L3–L4 (7.3%) levels. The mean operation time was 182.8±36.4 minutes, with a mean intraoperative blood loss of 190.5±81.3 mL and a mean hospital stay of 7.2±3.6 days. Successful fusion (Bridwell grades I/II) was achieved in 82.9% of the cases, with a 4.9% incidence of cage subsidence. Minor complications included durotomies in two patients (4.9%), whereas no major complications, such as nerve root injury, hardware-related issues, or postoperative infections, were reported.
Conclusions
The described BE-LIF technique, using HA bone grafts, which are an autologous bone from the preserved IAP, and a TLIF cage, is a viable, safe, and effective option for treating low-grade LS. This approach achieves favorable clinical outcomes and high fusion rates, which provides a cost-effective alternative to advanced surgical implants.
4.Endoscopic vacuum therapy for gastrointestinal transmural defects: a literature review
Tan Minh LE ; Van Huy TRAN ; Kyu Sung CHUNG ; Seong Woo JEON
Clinical Endoscopy 2025;58(2):181-190
Endoscopic vacuum therapy (EVT) has emerged as a transformative approach for managing gastrointestinal (GI) transmural defects, offering a less invasive and more promising alternative to surgery. Initially developed to address anastomotic leaks after rectal surgery, the application of EVT has expanded to include other locations within the GI tract. This review investigated the principles, indications, procedures, outcomes, challenges, and future perspectives of EVT for the management of GI transmural defects. In conclusion, EVT has demonstrated favorable outcomes in GI defect closure, with reduced complications, shortened hospital stay, and decreased morbidity rates as compared with conventional treatments. Although EVT faces challenges in some specific anatomical locations and in managing severe complications such as major bleeding, ongoing advancements in technology and standardization efforts offer promise for broader indications and better outcomes. Future perspectives include exploring novel EVT devices, refining patient selection criteria and pre-emptive applications, and standardizing procedural protocols.
5.Effectiveness of biportal endoscopic lumbar interbody fusion using the multi-layer bone grafting technique: a retrospective study from Vietnam
Tran Vu Hoang DUONG ; Pham Anh TUAN ; Huynh Van VU ; Chu Van LAM ; Le Tan LINH ; Phan DUY ; Wongthawat LIAWRUNGRUEANG
Asian Spine Journal 2025;19(2):228-241
Methods:
This study included 41 patients with single-level grades 1 or 2 LS from February 2023 to February 2024. Clinical outcomes were assessed using the Visual Analog Scale (VAS) for back and leg pain and the Oswestry Disability Index (ODI). Bridwell fusion grades were evaluated via lumbar spine computed tomography performed 6 months postoperatively.
Results:
Over a mean follow-up period of 10.6 months (range, 7–18 months), significant improvements were observed in VAS scores for low back pain (from 7.8±0.8 to 2.1±1.4) and leg pain (from 8.1±1.3 to 1.9±1.5) as well as ODI scores (from 50.4±15.4 to 14.8±10.5). The cohort consisted of patients with grades 1 (73.2%) and 2 LS (26.8%) at L4–L5 (58.6%), L5–S1 (34.1%), and L3–L4 (7.3%) levels. The mean operation time was 182.8±36.4 minutes, with a mean intraoperative blood loss of 190.5±81.3 mL and a mean hospital stay of 7.2±3.6 days. Successful fusion (Bridwell grades I/II) was achieved in 82.9% of the cases, with a 4.9% incidence of cage subsidence. Minor complications included durotomies in two patients (4.9%), whereas no major complications, such as nerve root injury, hardware-related issues, or postoperative infections, were reported.
Conclusions
The described BE-LIF technique, using HA bone grafts, which are an autologous bone from the preserved IAP, and a TLIF cage, is a viable, safe, and effective option for treating low-grade LS. This approach achieves favorable clinical outcomes and high fusion rates, which provides a cost-effective alternative to advanced surgical implants.
6.Endoscopic vacuum therapy for gastrointestinal transmural defects: a literature review
Tan Minh LE ; Van Huy TRAN ; Kyu Sung CHUNG ; Seong Woo JEON
Clinical Endoscopy 2025;58(2):181-190
Endoscopic vacuum therapy (EVT) has emerged as a transformative approach for managing gastrointestinal (GI) transmural defects, offering a less invasive and more promising alternative to surgery. Initially developed to address anastomotic leaks after rectal surgery, the application of EVT has expanded to include other locations within the GI tract. This review investigated the principles, indications, procedures, outcomes, challenges, and future perspectives of EVT for the management of GI transmural defects. In conclusion, EVT has demonstrated favorable outcomes in GI defect closure, with reduced complications, shortened hospital stay, and decreased morbidity rates as compared with conventional treatments. Although EVT faces challenges in some specific anatomical locations and in managing severe complications such as major bleeding, ongoing advancements in technology and standardization efforts offer promise for broader indications and better outcomes. Future perspectives include exploring novel EVT devices, refining patient selection criteria and pre-emptive applications, and standardizing procedural protocols.
7.Impact of long COVID-19 on posttraumatic stress disorderas modified by health literacy: an observational study inVietnam
Han Thi VO ; Tien Duc DAO ; Tuyen Van DUONG ; Tan Thanh NGUYEN ; Binh Nhu DO ; Tinh Xuan DO ; Khue Minh PHAM ; Vinh Hai VU ; Linh Van PHAM ; Lien Thi Hong NGUYEN ; Lan Thi Huong LE ; Hoang Cong NGUYEN ; Nga Hoang DANG ; Trung Huu NGUYEN ; Anh The NGUYEN ; Hoan Van NGUYEN ; Phuoc Ba NGUYEN ; Hoai Thi Thanh NGUYEN ; Thu Thi Minh PHAM ; Thuy Thi LE ; Thao Thi Phuong NGUYEN ; Cuong Quoc TRAN ; Kien Trung NGUYEN
Osong Public Health and Research Perspectives 2024;15(1):33-44
Objectives:
The prevalence of posttraumatic stress disorder (PTSD) has increased, particularly among individuals who have recovered from coronavirus disease 2019 (COVID-19) infection. Health literacy is considered a “social vaccine” that helps people respond effectively to the pandemic. We aimed to investigate the association between long COVID-19 and PTSD, and to examine the modifying role of health literacy in this association.
Methods:
A cross-sectional study was conducted at 18 hospitals and health centers in Vietnamfrom December 2021 to October 2022. We recruited 4,463 individuals who had recovered from COVID-19 infection for at least 4 weeks. Participants provided information about their sociodemographics, clinical parameters, health-related behaviors, health literacy (usingthe 12-item short-form health literacy scale), long COVID-19 symptoms and PTSD (Impact Event Scale-Revised score of 33 or higher). Logistic regression models were used to examine associations and interactions.
Results:
Out of the study sample, 55.9% had long COVID-19 symptoms, and 49.6% had PTSD.Individuals with long COVID-19 symptoms had a higher likelihood of PTSD (odds ratio [OR], 1.86; 95% confidence interval [CI], 1.63–2.12; p < 0.001). Higher health literacy was associated with a lower likelihood of PTSD (OR, 0.98; 95% CI, 0.97–0.99; p = 0.001). Compared to those without long COVID-19 symptoms and the lowest health literacy score, those with long COVID-19 symptoms and a 1-point health literacy increment had a 3% lower likelihood of PTSD (OR, 0.97; 95% CI, 0.96–0.99; p = 0.001).
Conclusion
Health literacy was found to be a protective factor against PTSD and modified the negative impact of long COVID-19 symptoms on PTSD.
8.Rare Complication of Strongyloidiasis in Vietnam: A Case of Venous Thromboembolism and Duodenal Obstruction
Tien Huynh MANH ; Khanh Quoc Le TRAN ; Phat Tan HO ; Man Minh VO ; Thong Quang PHAM ; Thong Duy VO
The Korean Journal of Gastroenterology 2023;81(6):270-275
Strongyloidiasis, a chronic helminth infection caused by the parasitic nematode Strongyloides stercoralis, has various clinical manifestations. Although rare, duodenal obstructions and venous thromboembolism are possible complications of strongyloidiasis.This paper presents the case of a 47-year-old Vietnamese male with a history of right lower limb edema, anorexia, nausea, vomiting, diarrhea, and abdominal discomfort lasting for four months. Venous Doppler ultrasound detected a thrombus in the right femoral vein, while an abdominal CT scan revealed a mass lesion suggestive of a lower bile duct tumor. Esophageogastroduodenoscopy showed a friable duodenal cap mucosa with multiple ulcers and edematous mucosa of the second part of the duodenum that caused a partial lumen obstruction. The final histological examination of the biopsy specimen revealed chronic duodenitis with larvae consistent with Strongyloides stercoralis. The patient was treated with Ivermectin for two weeks and anticoagulation therapy for three months. After treatment and a six-month follow-up, the patient's gastrointestinal symptoms and leg swelling resolved completely. This is the first documented case of a patient in Vietnam with strongyloidiasis who presented with venous thromboembolism and duodenal obstruction. (Korean J Gastroenterol 2023;81:270-275)
9.Blood pressure screening results in adults in Thua Thien Hue province through the program “May Measurement Month” 2022 of the International Society of Hypertension
Manh Tri NGO ; Thi Hoai Thuong TRAN ; Thanh Thien LE ; Tan Hung HUYNH ; Anh Tuyet NGUYEN ; Thi Khanh Van NGUYEN ; Thi Minh Luong TRAN ; Anh Tien HOANG ; Van Minh HUYNH
Hue Journal of Medicine and Pharmacy 2023;13(7):15-22
Background: Hypertension is a common disease in adults, also the leading cause of cardiovascular disease and premature death worldwide. The prevalence of hypertension has increased, especially in low- and middle-income countries. Therefore, hypertension screening is important to provide the basis and evidence for the development of timely intervention policies and programs. The objective of the “May Measurement Month” 2022 program is to investigate the prevalence of hypertension, drug treatment and blood pressure control in people in Thua Thien Hue province and to assess the risk factors surrounding hypertension. Subjects and Methods: This cross–sectional study collected data from volunteer adults (≥ 18 years old) in Thua Thien Hue province from 7/2022 to 8/2022. Sitting blood pressure had been measured in triplicate according to standardized specified methods of the International Society of Hypertension. Results: Average age 54.07 ± 18.17, there were 627 people (23.4%) with hypertension at the time of screening, 245 of which (39.1%) had never been diagnosed with hypertension before screening at the time. 724 people were on treatment with 1 or more types of drug, however, there were 337 people (46.5%) having their blood pressure not controlled. The statistics showed that 84.9% of volunteers were using at least 1 drug to treat hypertension. Related factors of hypertension are age, sex, overweight/obesity status, smoking, medical history of diabetes and medical history of COVID-19. The rate of subjects who had history of COVID-19 was 36.4%, including 31.6% of hypertension patients. Conclusion: The hypertension percentage of Thua Thien Hue population is still high and the rate of blood pressure control is still limited. There is a relationship between hypertension proportion and history of COVID-19. It is necessary to publish timely intervention measures to reduce the rate of hypertension and its risks to people.
10. Favipiravir and its potentials in COVID-19 pandemic: An update
Dao TAM ; Ahmad QARAWI ; Mai LUU ; Gehad TAWFIK ; Le MINH ; Dao TAM ; Ahmad QARAWI ; Mai LUU ; Morgan TURNAGE ; Linh TRAN ; Linh TRAN ; Gehad TAWFIK ; Le MINH ; Nguyen HUY ; Kyoshi KITA ; Kenji HIRAYAMA ; Tatsuo IIYAMA
Asian Pacific Journal of Tropical Medicine 2021;14(10):433-439
The COVID-19 pandemic has caused millions of deaths and hundreds of millions of confirmed infections worldwide. This pandemic has prompted researchers to produce medications or vaccines to reduce or stop the progression and spread of this disease. A variety of previously licensed and marketed medications are being tested for the treatment and recurrence of SARS-CoV2, including favipiravir (Avigan). Favipiravir was recognized as an influenza antiviral drug in Japan in 2014, and has been known to have a potential in vitro activity against SARS-CoV-2, in addition to its broad therapeutic safety scope. Favipiravir was recently approved and officially used in many countries worldwide. Our review provides insights and up-to-date knowledge of the current role of favipiravir in the treatment of COVID-19 infection, focusing on preclinical and ongoing clinical trials, evidence of its efficacy against SARS-CoV-2 in COVID-19, side effects, anti-viral mechanism, and the pharmacokinetic properties of the drug in the treatment of COVID-19. Due to its teratogenic effects, favipiravir cannot be offered to expectant or pregnant mothers. The practical efficacy of such an intervention regimen will depend on its dose, treatment duration, and cost as well as difficulties in application.

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