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Year 2001

AU : Boonvisut S, Ladpli S, Sujatanond M, Tisavipat N, Luxsuwong M, Nunta-aree S, Boonampol D, Srimaharaja S, Panitphong T, Dulayajinda D, Areewattana S.
TI : A new technique for the repair and reconstruction of frontoethmoidal encephalomeningoceles by medial orbital composite-unit translocation.
JN : Br J Plast Surg 2001 Mar ; 54 (2) : 93-101 (NO 07285)

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Year 1999

AU : Tepmongkol S, Kingpetch K, Boonvisut S.
TI : The advantage of double phase 99M TC-MIBI scintigraphy over dual-tracer subtraction method in tertiary hyperparathyroidism with sick euthyroid syndrome.
JN : ASEAN J Radiol 1999 May-Aug ; 5 (2) : 199-203
EN-AB: wait (NO 06132)

AU : Chaiwatanarat T, Avihingsanon Y, Eiam-Ong S, Chusil S, Tungsanga K, Sirisalipoch S, Boonvisut S.
TI : Differentiation between acute renal allograft rejection and acute tubular necrosis by renal vascular transit time.
JN : Chula Med J 1999 Jan ; 43 (1) : 873-883
EN-AB: Background: Renal biopsy has been the investigation of choice for differentiating renal allograft rejection (AR) from acute tubular necrosis (ATN) during acute renal allograft dysfunction. However, the procedure is invasive and not suitable for repeated measurements. It has been demonstrated that renal microcirculation was more impaired in AR than in ATN. Renal vascular transit time (RVTT), calculated by deconvolution analysis, has been shown to represent the renal microcirculation. Objective: We compared RVTT in AR and in ATN groups during the first month post-transplantation. Setting: Division of Nephrology, Department of Medicine and Division of Nuclear Medicine, Department of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. Design: Retrospective study. Patients: Thirteen transplanted patients with acute renal allogroft dysfunction (AAD) during the first month postoperation. Methods: The studied population was divided into two groups, AR and ATN, based on clinical and/or pathological criteria. 99mTechnetium-labeled diethylenetriamine-pentaacetic acid (99mTc-DTPA) renal scintigraphy and RVTT determination were performed on the first and seventh postoperative days and at any time when there was clinical indication of AR. Results: There were 5 patients in the AR group and 8 patients in the ATN group. The values (mean +/- SEM) of RVTT in the AR group were significantly higher than in the ATN group (21.7 +/- 6.70 sec. vs. 7.3 +/- 1.27 sec. ; p less than 0.05 ). Patients in the AR group, when compared with the ATN group, also had a higher increment of RVTT from the baseline levels (16.3 +/- 6.44 vs. 1.6 +/- 1.34 sec.; p less than 0.05). Conclusion: RVTT is a very useful noninvasive tool for diagnosing AAD secondary to AR.,
TH-AB: เหตุผลของการทำวิจัย: การวินิจฉัยแยกโรคระหว่างภาวะสลัดกราฟท์กับภาวะ acute tubular necrosis (ATN) ในผู้ป่วยที่มีภาวะไตวายภายหลังการปลูกถ่ายไต ต้องใช้การเจาะเนื้อไตเป็นวิธีหลัก อย่างไรก็ตาม การเจาะเนื้อไตเป็นวิธีที่มีความเสี่ยง และไม่เหมาะกับการตรวจหลาย ๆ ครั้ง ได้มีการหา Renal vascular transit time (RVTT) เพื่อใช้ทำนายระยะเวลาของการไหลเวียนของเลือดภายในไต โดยพบว่า ในภาวะสลัดกราฟท์จะมีการไหลเวียนของเลือดในไตเลวลงมาก เมื่อเปรียบเทียบกับใน ATN วัตถุประสงค์: เพื่อเปรียบเทียบ RVTT ในภาวะสลัดกราฟท์กับภาวะ ATN ในผู้ป่วยหลังผ่าตัดปลูกถ่ายไต 1 เดือนแรก สถานที่ที่ทำการศึกษา: ภาควิชาอายุรศาสตร์ และภาควิชารังสีวิทยา คณะแพทยศาสตร จุฬาลงกรณ์มหาวิทยาลัย รูปแบบการวิจัย: การศึกษาย้อนหลัง ประชากรที่ศึกษา: ผู้ป่วยที่มีภาวะไตวายภายหลังการปลูกถ่ายไต 1 เดือนแรก จำนวน 13 ราย วิธีการศึกษา-วัดผล: แบ่งผู้ป่วยเป็น 2 กลุ่ม ได้แก่ กลุ่มที่เกิดภาวะสลัดกราฟท์กับกลุ่ม ATN 99mTechneciumlabeled diethylenetriampentaacetic acid (99mTc-DTPA) renal scintigraphy และหาค่า RVTT ในวันที่ 1 และ 7 หลังผ่าตัด และส่งตรวจเพิ่มทุกครั้ง ที่อาการเข้าได้กับภาวะสลัดกราฟท์ ผลการศึกษา: ผู้ป่วยที่มีภาวะสลัดกราฟท์ (กลุ่มที่ 1) มี 5 ราย และผู้ป่วยที่มี ATN (กลุ่มที่ 2) มี 8 ราย ค่าเฉลี่ย (mean +/- SEM) RVTT ของกลุ่มที่ 1 ยาวกว่ากลุ่มที่ 2 อย่างมีนัยสำคัญ (21.7 +/- 6.70 และ 7.3 +/- 1.27 วินาที Pน้อยกว่า 0.05) การเพิ่มขึ้นของ RVTT เทียบกับค่าตั้งต้นในกลุ่มที่ 1 มีค่ามากกว่ากลุ่มที่ 2 อย่างมีนัยสำคัญ (16.3 +/- 6.44 vs 1.6 +/- 1.34 วินาที P น้อยกว่า 0.05) วิจารณ์และสรุปผล: สามารถใช้ RVTT ในการวินิจฉัยแยกโรคระหว่างภาวะสลัดกราฟท์กับภาวะ ATN ในผู้ป่วยหลังผ่าตัดปลูกถ่ายไตได้. (NO 06503)

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Year 1998

AU : Boonvisut S, Ladpli S, Sujatanond M, Tandhavadhana C, Tisavipat N, Luxsuwong M, Nunta-aree S, Srimaharaja S, Panitphong T, Dulayajinda D, Areewattana S.
TI : Morphologic study of 120 skull base defects in frontoethmoidal encephalomeningoceles.
JN : Plastic & Reconstructive Surgery 1998 Jun ; 101 (7) : 1784-95
EN-AB: Frontoethmoidal encephalomeningocele is a herniation of brain and meninges through a congenital bone defect in the skull at the junction of the frontal and ethmoidal bones. From 1992 to 1996, 120 cases of frontoethmoidal encephalomeningocele were seen in our institutes, and the morphology of the skull defects was studied. The patients underwent thorough physical examinations and radiographic investigations including spiral three-dimensional computed tomography scan. Together with intraoperative findings, we found more types of the defects than previously reported. Our findings were categorized into the following types: type I, a single external opening between frontal, nasal, ethmoidal, and orbital bones; type IA, opening is limited between two bones of the area; type IB, opening is extended transversely or cephalad to involve adjacent structures; type II, multiple external openings in the region; type IIA, all of the openings are limited types; type IIB, one or more of the openings is/are extended type(s) that involve adjacent structures. There are 14 subtypes in these two types: 3 in type IA, 6 in type IB, 3 in type IIA, and 2 in type IIB. This classification is helpful in understanding the herniation pathway and in keeping informative records. (NO 05360)

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Year 1994

AU : Chaiwatanarat T, Laorpatanaskul S, Poshyachinda M, Boonvisut S, Buachum V, Krisanachinda A, Suvanapha R.
TI : Deconvolution analysis of renal blood flow: evaluation of postrenal transplant complications.
JN : Journal of Nuclear Medicine 1994 Nov ; 35 (11) : 1792-6
EN-AB: Medical complications after renal transplantation cause problems in treatment decision making. To differentiate acute tubular necrosis from acute rejection when it occurs in the early posttransplant period is difficult. Renal scintigraphy offers a noninvasive means for renal blood flow (RBF) and renal function assessment. METHODS: This retrospective study of RBF and renal function evaluation after kidney transplantation is an attempt to calculate the "renal vascular transit time" from the 99mTc-diethylenetriaminepentaaacetic acid renal vascular flow with a deconvolution technique. The results of 102 studies on 38 graft recipients were evaluated. Of these, 19 were diagnosed as acute rejection, 12 as acute tubular necrosis, 4 as chronic rejection, 1 as vesicoureteric reflux, 1 as recurrent immunoglobulin A nephropathy, 1 as iliac vein thrombosis, 1 as cyclosporine nephrotoxicity and 63 as normal. All diagnoses were established by clinical and/or pathologic criteria. RESULTS: With renal vascular transit times more than 12.8 secm the sensitivity and specificity for the detection of acute rejection was 95 and 94, respectively. The sensitivity and specificity for the differential diagnosis of acute rejection against acute tubular necrosis was 95 and 92, respectively. CONCLUSION: The use of renal vascular transit time in addition to 131I-labeled hippuran renogram provides a promising diagnostic parameter to differentiate between acute rejection and acute tubular necrosis. (NO 02258)

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Year 1993

AU : Okumura E, Kono K, Watanabe M, Yoshida Y, Meevatha V, Boonvisut S.
TI : Elemental analysis of hair among children living in Bangkok, Negros Island and Takarazuka. A comparative study in three countries.
JN : Am J MedJournal of Medicine 1993 ; 24 (4-5) : 301-10
EN-AB: Twelve elements in the hair of children living in Bangkok (Thailand) were compared with those of children living in Negros Island (Philippines) and Takarazuka (Japan). With the exception of lower Se and F values, the contents of Ca, Mg, Na, K, Fe and Al in the hair of children in Bangkok were higher than those in Japanese children. A high coefficient of correlation was obtained between Cu and Fe, Cu and Mn, Se and Fe, Se and Cu, Se and Mn in the children of Bangkok. These findings were not found in other groups. (NO 03396)

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Year 1989

AU : Suvanapha R, Vajarapongse R, Sriwatanawongsa V, Vajarapongse K, Chusilp S, Laorpatanaskul S, Kitisin P, Mullikamas S, Boonvisut S, Panmuong W, Sitprija V.
TI : Monoclonal antibody (OKT3) rescue in refractory acute renal allograft rejection : report of 3 cases.
JN : J Med Assoc Thai 1989 Dec ; 72 (12) : 708-713
EN-AB: We report the first experience in Thailand with the use of OKT3 (monoclonal anti T lymphocytes antibody) in rescuing an acute rejection unresponsive to methylprednisolone pulses in 3 cadaveric renal transplant patients. The treatment regimen was 10 daily 5 mg intravenous injections of OKT3. In the first and second patients OKT3 was started on days 26 and 18 of the rejection episode. In the third one OKT3 was given when he became anuric secondary to severe acute rejection. Within 24 hours of the therapy, urine flow increased. A brisk diuresis and a decline in serum creatinine started within 4 days. The kidney function returned to normal within the 10-day course of therapy. Side effects were fever, conjunctivitis, stuffiness of nose and herpes infection (NO 01846)

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Year 1985

AU : Poshyachinda M, Vajragupta L, Buachum V, Boonvisut S.
TI : Evaluation of radionuclide scintigraphy in intracranial abscess.
JN : J Med Assoc Thai 1985 Mar ; 68 (3) : 117-125
EN-AB: Retrospective analysis of patients with proven intracranial abscesses revealed abnormal radionuclide imaging in 53 of 55 patients (96 per cent) and abnormal cerebral angiography in 40 of 44 patients(91 per cent). Among these patients, 7 subdural abscesses exibited abnormal studies in both modalities. It is concluded that radionuclide imaging is a valuable alternative investigation for diagnosis of intracranial abscess when CT scan is not available. It is recommended that radionuclide angiography should be included in order to improve specificity in diagnosis. (NO 00016)

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