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1.
Int J Surg Case Rep ; 91: 106747, 2022 Feb.
Article in English | MEDLINE | ID: mdl-35007987

ABSTRACT

OBJECTIVES: Pulmonary sequestration is a rare congenital malformation, and part of its treatment requires the removal of the aberrant artery by surgical means. MATERIALS AND METHODS: Five patients treated at Military Hospital 103 - Department of Thoracic Disease were diagnosed with PS via CT scan, MS-CT, and DSA, and histopathological data were evaluated retrospectively between January and December 2019. RESULTS: In all patients, surgery is the preferred option, with two cases of video-assisted thoracoscopic surgery (one lobectomy and one wedge resection), and three cases of hybrid video-assisted thoracoscopic surgery (adhesive inflammation was observed, the bronchus is challenging to reveal, to resect, and tend to bleed when resecting). The average length of stay following surgery is 11.6 ± 8.1 days. The mean duration of postoperative follow-up is 13.8 ± 3.3 months, all patients had a good quality of life, and no respiratory problems such as hemoptysis or pneumonia were detected. CONCLUSION: The excellent outcomes obtained in all patients in our study during the follow-up period (13.8 ± 3.3 months) established the appropriate indication and treatment. However, these are preliminary findings; a longer study period with a larger sample size is required to draw more valid conclusions.

2.
BMC Surg ; 19(1): 187, 2019 Dec 05.
Article in English | MEDLINE | ID: mdl-31805919

ABSTRACT

BACKGROUND: In high-risk patients with complex pulmonary aspergilloma but unable for lung resection, cavernostomy and thoracoplasty could be performed. This study aimed to evaluate this surgery compared two compressing materials. METHODS: A total of 63 in high-risk patients who suffered from hemoptysis due to complex pulmonary aspergilloma and underwent cavernostomy and thoracoplasty surgery from November 2011 to September 2018 at Pham Ngoc Thach hospital were evaluated prospectively studied. Patients were allocated to two groups: the table tennis ball group and tissue expander group. We evaluated at the time of before operation, 6 months and 24 months after operation. RESULTS: Tuberculosis was the most common comorbidity diseases in both groups. Upper lobe occupied almost in location. Hemoptysis symptoms plunged from time to time. Statistically significant Karnofsky score was observed in both groups. Postoperative pulmonary functions (FVC and FEV1) have remained in both groups at all time points. The remarkable results were no deaths related to surgery and low complications both short and long-term. There was no statistical significance between two groups in operative time, blood loss during operation, ICU length-stay time. Four patients died because of co-morbidity in 24 months follow-up. CONCLUSION: Cavernostomy and thoracoplasty was safe and effective surgery for the treatment of complex pulmonary aspergilloma with hemoptysis in high-risk patients. No mortality related to surgery and low complications were recorded. The was no inferiority when compared two compressing materials .


Subject(s)
Hemoptysis/etiology , Pulmonary Aspergillosis/surgery , Thoracoplasty/methods , Adult , Aged , Female , Humans , Length of Stay , Lung/surgery , Male , Middle Aged , Prospective Studies , Treatment Outcome
3.
Local Reg Anesth ; 11: 115-121, 2018.
Article in English | MEDLINE | ID: mdl-30538541

ABSTRACT

BACKGROUND: Paravertebral block has been proven to be an efficient method to provide post-thoracotomy pain management. This study aimed to compare patient-controlled paravertebral analgesia (PCPA) and intravenous patient-controlled analgesia (IVPCA) in terms of analgesic efficiency, respiratory function, and adverse effects after video-assisted thoracoscopic surgery (VATS) lobectomy. PATIENTS AND METHODS: The prospective randomized trial study was carried out on 60 patients who underwent VATS lobectomy (randomly allocated 30 patients in each group). In the PCPA group, an initial dose of 0.3 mL/kg of 0.125% bupivacaine with fentanyl 2 µg/mL was administered, followed by a 3 mL/h continuous infusion with patient-controlled analgesia (2 mL bolus, 10-minute lockout interval, 25 mL/4 h limit). In the IVPCA group with morphine 1 mg/mL solution, an infusion device was programmed to deliver a 1.0 mL demand bolus with no basal infusion rate, with a 10-minute lockout interval and a maximum of 20 mL/4 h period. Postoperative pain was assessed by visual analog scale at rest and on coughing. Arterial blood gas and spirometry were monitored and recorded for the first 3 postoperative days. Side effects to include were also recorded. RESULTS: The PCPA group had statistically significant lower pain scores (P<0.0001) at rest at all times. Lower pain scores on coughing were statistically significant in PCPA group in the first 4 hours. Postoperative spirometry showed that both the groups had comparable recovery trajectories for their pulmonary function. Arterial blood gas analysis showed pH and PaCO2 were in a normal range in both the groups. The incidence of headache was higher in the IVPCA group (13.3% vs 0%; P=0.038). CONCLUSION: PCPA effectively managed pain after VATS lobectomy, with lower pain scores, similar respiratory function, and fewer side effects than standard IVPCA treatment.

4.
J Infect ; 60(3): 229-37, 2010 Mar.
Article in English | MEDLINE | ID: mdl-20080126

ABSTRACT

OBJECTIVES: To explore clinical and virological characteristics and describe the epidemiology of dengue in patients who presented with acute undifferentiated fever (AUF) at primary health centers (PHC) in Binh Thuan Province, Vietnam. METHODS: A prospective observational study was conducted from 2001 to 2006 to study the aetiology in AUF patients. Demographic and clinical information was obtained, and dengue polymerase chain reaction (RT-PCR) and serology were performed on a random selection of patients. RESULTS: Three hundred fifty-one serologically confirmed dengue patients including 68 primary and 283 secondary infections were included in this study. In 25% (86/351) dengue virus (DENV) was detected by RT-PCR among which 32 DENV-1, 16 DENV-2, 1 DENV-3 and 37 DENV-4 were identified. The predominant dengue serotype varied by year with seasonal fluctuation: DENV-4 in 2001-2002, DENV-1 and DENV-2 from 2003 to 2006. Primary dengue was more common in children. Higher viraemia levels (P=0.010) were found in primary infections compared to secondary infections. DENV-1 infected patients had higher viraemia levels than DENV-2 (P=0.003) and DENV-4 (P<0.001) infected patients. Clinical symptoms were often seen in adults. Few differences in clinical symptoms were found between primary and secondary infection and no significant differences in clinical symptoms between the serotypes were observed. CONCLUSIONS: Our data provide insight in the epidemiology, clinical profile and virological features of mild symptomatic dengue patients who presented to PHC with AUF in Vietnam.


Subject(s)
Dengue Virus/isolation & purification , Dengue/epidemiology , Dengue/pathology , Adolescent , Adult , Aged , Aged, 80 and over , Antibodies, Viral/blood , Child , Child, Preschool , Dengue/virology , Dengue Virus/classification , Dengue Virus/genetics , Dengue Virus/immunology , Enzyme-Linked Immunosorbent Assay , Female , Humans , Immunoglobulin G/blood , Immunoglobulin M/blood , Incidence , Infant , Male , Middle Aged , Primary Health Care , Prospective Studies , RNA, Viral/blood , Reverse Transcriptase Polymerase Chain Reaction , Vietnam/epidemiology , Young Adult
5.
Acta Trop ; 106(2): 128-31, 2008 May.
Article in English | MEDLINE | ID: mdl-18395178

ABSTRACT

A follow-up study was conducted with 23 months interval to investigate the seroepidemiology and persistence of Leptospira IgG antibodies among healthy children in Binh Thuan province, Southern Vietnam. Sera from 262 children (7-13 years of age) were collected and analysed with a commercially available enzyme-linked immunosorbent assay (ELISA) for Leptospira IgG. Seroconversion was observed in 10.4% (22 of 211, 95% CI: 5.6-26.7) of the children, of whom 18 (8.5%) had probably and four (1.9%) had certainly been exposed to Leptospira. Based on the reduction of sero-negatives of 1.9% among children who have been certainly exposed, the annual seroconversion rate, a measure of the incidence rate of Leptospira infections, corresponds to 0.99% (95% CI: 0.39-2.52). In 61% (31 of 51, 95% CI: 47.1-73.0) of the children with past-infection, Leptospira IgG antibodies remain detectable after 2 years. Data from this study indicate that IgG antibody responses against Leptospira may persist at least for 2 years in children without manifestations of leptospirosis. Results of study uncover the true incidence of leptospirosis infection, the dynamics of waxing and waning antibody concentrations and points at a larger burden of clinically non-significant Leptospira infections in Southern Vietnam. This also indicates background reactivity for serological testing and thus serological result of a single serum sample must be carefully interpreted.


Subject(s)
Antibodies, Bacterial/blood , Immunoglobulin G/blood , Leptospira/immunology , Leptospirosis/epidemiology , Adolescent , Child , Enzyme-Linked Immunosorbent Assay/methods , Female , Follow-Up Studies , Humans , Incidence , Male , Seroepidemiologic Studies , Vietnam/epidemiology
6.
Trop Med Int Health ; 12(12): 1553-7, 2007 Dec.
Article in English | MEDLINE | ID: mdl-18076564

ABSTRACT

OBJECTIVE: To study the incidence of asymptomatic primary dengue infections among children and reactivity against other flaviviruses. METHODS: A total of 216 children, who had no dengue-specific IgG antibodies during a serosurvey in 2003 were re-examined 23 months later to determine if seroconversion had occurred. Dengue-specific IgG was demonstrated with enzyme-linked immunosorbent assay (ELISA) and reactivity patterns against other flaviviruses were assessed by using immunofluorescence assay (IFA). RESULTS: Sixty-six children had seroconverted for dengue virus-specific IgG; the true annual incidence of primary dengue was thus 17.3% (95% CI: 13.8-21.4). Japanese Encephalitis virus (JEV)-specific IgG antibodies were detected by IFA among three (4.6%) samples that showed seroconversion in the dengue ELISA, because of cross-reactivity. CONCLUSION: Our findings highlight the high incidence of dengue among Vietnamese children; JEV infections are rare. The true annual incidence of dengue can be estimated with a single cross-sectional seroprevalence survey.


Subject(s)
Dengue/epidemiology , Dengue/immunology , Flavivirus Infections/immunology , Antibodies, Viral/blood , Child , Cross-Sectional Studies , Enzyme-Linked Immunosorbent Assay , Female , Humans , Incidence , Male , Vietnam/epidemiology
7.
Clin Vaccine Immunol ; 14(6): 799-801, 2007 Jun.
Article in English | MEDLINE | ID: mdl-17460116

ABSTRACT

Results from two dengue rapid tests, the PanBio Duo cassette and the SD Bioline strip test, were compared to those of enzyme-linked immunosorbent assays (Focus Diagnostics) from sera of 200 Vietnamese febrile patients. The PanBio assay was superior, with sensitivity and specificity values for acute-phase serum samples of 54% and 70% (immunoglobulin M) and 70% and 88% (immunoglobulin G), respectively.


Subject(s)
Biological Assay , Chromatography/methods , Dengue/diagnosis , Fever/diagnosis , Acute Disease , Acute-Phase Proteins/analysis , Dengue/immunology , Enzyme-Linked Immunosorbent Assay/methods , Fever/immunology , Humans , Immunoglobulin G/analysis , Immunoglobulin M/analysis , Predictive Value of Tests , Sensitivity and Specificity , Time Factors , Vietnam
8.
Trop Med Int Health ; 11(5): 738-45, 2006 May.
Article in English | MEDLINE | ID: mdl-16640627

ABSTRACT

OBJECTIVE: To estimate the seroprevalence of human leptospirosis in southern Vietnam. METHODS: All pupils (n=961) of two primary schools in two communes in southern Vietnam were screened for the presence of serum Leptospira immunoglobulin (Ig)G. Leptospira IgM was tested in 92 randomly selected samples. IgM and IgG were tested with a commercially available enzyme-linked immunosorbent assay (ELISA). RESULTS: Leptospira IgG was found in 123 (12.8%, 95% CI: 10.8-15.1) children with a male:female ratio of 1.5:1. At the age of 7 years the prevalence was 11%. Log-linear binary regression of the IgG seroprevalence by age showed a mean seroconversion rate of 1.5% (95% CI: 1.23-1.75) per year. Five (5.4%, 95% CI: 2.3-12.1) samples were definitely positive for IgM. Presence of serum Leptospira IgG antibodies was significantly associated with swimming in rivers (RR: 1.745, 95% CI: 1.117-2.724) and wading through water (RR 1.793, 95% CI: 1.181-2.722). CONCLUSION: Our data emphasize the importance of leptospirosis among children in Vietnam, despite the absence of severe disease, and stress the need for adequate and cheap diagnostics.


Subject(s)
Leptospirosis/epidemiology , Adolescent , Age Distribution , Antibodies, Bacterial/blood , Child , Female , Humans , Immunoglobulin G/blood , Immunoglobulin M/blood , Incidence , Leptospira/immunology , Leptospirosis/blood , Leptospirosis/immunology , Male , Population Surveillance/methods , Prevalence , Risk Factors , Rivers/microbiology , Seroepidemiologic Studies , Sex Distribution , Swimming , Vietnam/epidemiology , Water Microbiology
9.
Trop Med Int Health ; 10(4): 357-65, 2005 Apr.
Article in English | MEDLINE | ID: mdl-15807800

ABSTRACT

OBJECTIVE: The National Malaria Control Program (NMCP) in Vietnam is based on application of insecticide-treated bed nets (ITNs), spraying of insecticides and early microscopic diagnosis of malaria and treatment (EDTM) with artemisinin drugs. This study explores the implementation of the NMCP at provincial level and its impact on malaria incidence (mi) and prevalence in Binh Thuan in southern Vietnam. METHODS: Data on implementation of EDTM, distribution of ITNs, annual mi and Plasmodium index (pi) were derived from intervention logbooks and surveillance records kept by the provincial Malaria Station since 1988. The relation between interventions and the change of pi over time was analysed with Generalized Estimating Equations. RESULTS: Control activities focused on the highly endemic zones where ITNs were distributed free of charge to ethnic minority groups, including twice yearly re-impregnation, from 1992 onwards. This almost completely replaced insecticide spraying. Complete ITN coverage of these groups was achieved in 1995, constituting 40% of the entire population. In all malaria endemic communes, primary health care posts were consecutively upgraded or installed, mainly between 1992 and 1995, offering EDTM with artemisinin drugs free of charge. Before 1994, mi peaked to over 50/1000, pi to over 16% in the highly endemic zones. In 1998, these had decreased to below 9/1000 and 4% respectively. The effects of the interventions could not be discerned with statistical significance. CONCLUSION: Malaria incidence and prevalence declined significantly in Vietnam, possibly due to the malaria control efforts, but coinciding with rapid socioeconomic changes.


Subject(s)
Malaria/prevention & control , Animals , Artemisinins/administration & dosage , Bedding and Linens , Endemic Diseases , Government Programs , Humans , Incidence , Insect Vectors , Insecticides/administration & dosage , Malaria/epidemiology , Mosquito Control/methods , Program Evaluation , Sesquiterpenes/administration & dosage , Vietnam/epidemiology
10.
Trop Med Int Health ; 10(4): 379-86, 2005 Apr.
Article in English | MEDLINE | ID: mdl-15807802

ABSTRACT

Dengue is highly endemic in southern Vietnam and all four serotypes of dengue virus have already been identified. To determine the age-specific prevalence of dengue and associated risk factors, we conducted a serological study at two primary schools and assessed risk factors by analysing children's questionnaires and household surveys. Sera were collected from 961 primary schoolchildren in Binh Thuan Province and tested for the presence of dengue virus serum antibodies using an indirect immunoglobulin G (IgG) enzyme-linked immunosorbent assay (ELISA). The antibody prevalence of the total population was 65.7% (n=631) which increased from 53.0 to 88.2% with age. The annual incidence of a first dengue infection, estimated by binary regression of the seroprevalence by age, was 11.7%. Interestingly, the prevalence of dengue IgG antibodies was significantly higher in children who confirmed using a pit latrine (RR 1.467, 95% CI: 1.245-1.730) and whose domestic environment contained discarded cans (RR 1.238, 95% CI: 1.042-1.470) and pigs (RR 1.228, 95% CI: 1.002-1.504). The epidemiology of dengue in southern Vietnam is stable with a constantly high annual incidence of first infections. Transmission occurs mainly peri-domestically, which has important public health implications.


Subject(s)
Dengue/epidemiology , Adolescent , Age Distribution , Antibodies, Viral/blood , Child , Child, Preschool , Dengue/etiology , Dengue/transmission , Dengue Virus/immunology , Enzyme-Linked Immunosorbent Assay/methods , Epidemiologic Methods , Female , Humans , Immunoglobulin G/blood , Infant , Infant, Newborn , Male , Vietnam/epidemiology
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