Abstract：
:Thallium-201 dipyridamole test (Tl-201DT) has high sensitivity and specificity in the assessment of coronary disease (CAD), but is not always available. We proposed impedance cardiography DT (IDT)instead. To determine the characteristic changes of impedance cardiogram (ICG) in patients with typical angina and to compare with those in normal subjects, 37 subjects undergoing IDT were divided into 3 groups: typical angina (15), suspected chest pain (11) and normals (11). Dipyridamole (DP) was infused intravenously for over 10 minutes at a total dose of 0.75 mg/kg. Simultaneous recording of ECG, PCG, and ICG were repeated immediately 2 minutes and 4 minutes after infusion of DP, and immediately and 5 minutes after intravenous infusion of aminophylline. Eleven parameters, HR, SPRP, QZ/ZA2, HI, SV, CO, A wave, A/C, O wave, O/C, A + O/C were observed. Only in O/C and A + O/C there were changes of significant differences (P less than 0.01) between groups. Specificity was 100% (0/11 positive) in normals. Sensitivity was 80% (12/15 positive) in the angina group, but only 46.7% (7/15) with ECG. The characteristic changes in CAD patients during IDT were angina induced by DP, abnormal O wave on ICG and change from deep A wave to abnormal O wave. No serious complication occurred after IDT. Our results indicate that IDT is a simple, practical and valuable method for detecting CAD.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Chen G,Mao HY,Wei KQ,Zhang DC,Guo QGsubject
Has Abstractpub_date
1989-02-01 00:00:00pages
145-51issue
2eissn
0366-6999issn
2542-5641journal_volume
102pub_type
杂志文章abstract：BACKGROUND:There are few reports of microsurgical treatment of dorsum sellae meningiomas-which, because of location, size, and differences in growth direction, clinical presentations, degree of surgical difficulty, have varied posttreatment sequelae. In pursuit of an optimal microsurgical treatment option for dorsum se...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2009-08-20 00:00:00
abstract：OBJECTIVE:To measure serum 7S collagen (7S-C) and type VI collagen (VI-C) levels by radioimmunoassay (RIA) in Chinese patients with various liver disorders and in CCl4-treated SD rats, and to investigate the significance of the elevated levels of serum 7S-C and VI-C. METHODS:Serum 7S-C and VI-C levels were measured in...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1997-03-01 00:00:00
abstract：BACKGROUND:The methods for the treatment of postcatheterization femoral arteriovenous fistulas (AVF-s) - simple observation, ultrasound guided compression, covered stents implantation and coil embolization have poor outcome. Surgery is the standard method for treatment of femoral AVFs, but it is a traumatic operation. ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2007-06-05 00:00:00
abstract：BACKGROUND:The activation of extracellular signal-regulated kinase1/2 (ERK1/2) has been shown to be important signaling pathway in the ischemic preconditioning (IPC) response. Recently, some studies suggest a key role for the mitochondrial ATP-sensitive potassium channel (mKATP) as both a trigger and an end effector of...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2004-03-01 00:00:00
abstract：BACKGROUND:Oxygen inhalation therapy is essential for the treatment of patients with chronic mountain sickness (CMS), but the efficacy of oxygen inhalation for populations at high risk of CMS remains unknown. This research investigated whether oxygen inhalation therapy benefits populations at high risk of CMS. METHODS...
journal_title：Chinese medical journal
pub_type： 杂志文章,随机对照试验
doi：10.4103/0366-6999.182831
更新日期：2016-06-05 00:00:00
abstract：:Free radicals in the gasphase of cigarette smoke were determined by spin trapping agent PBN (N-tert-butyl-2-phenyl nitrone) and DMPO (5,5-dimethyl-1-pyrroline-oxide) on electron spin resonance spectrometer. They were identified according to the spectrum parameters calculated from the spectra. The free radicals mainly ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1991-07-01 00:00:00
abstract：BACKGROUND:Methylmalonic acidemia (MMA) is a multifactorial autosomal recessive inborn error of organic acid metabolism, often presenting with neurological symptoms. As neurological disorders are often related to white matter injury, diffusion tensor imaging (DTI) is an excellent tool for assessment of white matter inj...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2009-04-20 00:00:00
abstract：BACKGROUND:Although there were several clinical and experimental studies discussing the pathogenesis of dural arteriovenous fistula (DAVF), the pathological process leading to intracranial DAVF so far remains unknown. In this study, we investigated the expression of vascular growth factors in order to elucidate the pos...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2004-12-01 00:00:00
abstract：OBJECTIVE:To explore the pathogenesis of glucose metabolic disorder and insulin resistance in critically ill children under severe stress. METHODS:To test glucose, lactate, glucagon, insulin, c-peptide, cortisol levels in 50 critically ill children. While we measured 125I-insulin binding to erythrocytes of 13 critical...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1996-10-01 00:00:00
abstract：OBJECTIVE:To rapidly and economically obtain knowledge about adult stage Schistosoma japonicum (Chinese strain) expressed genes using expressed sequence tag (EST). METHODS:A directional cDNA library constructed from Schistosoma japonicum (Chinese strain) adult stage RNA was used to generate expressed sequence tags (ES...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2002-10-01 00:00:00
abstract：OBJECTIVE:To induce islet grafting tolerance by intravenous injection of anti-CD4, anti-CD8 immunotoxins and donor soluble antigen. METHODS:Fourteen days or 7 days prior to transplantation, the immunotoxin of anti-CD4, anti-CD8 200 micrograms respectively, and donor soluble antigen 500 micrograms were intravenously in...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1999-12-01 00:00:00
abstract：OBJECTIVE:To observe the immediate angiographic and intravascular ultrasound (IVUS) results and their effects on one month clinical outcomes in forty-one patients who submitted to coronary stent deployment with IVUS guidance. METHODS:All patients were allocated to coronary stent implantation with high inflation pressu...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2001-03-01 00:00:00
abstract：BACKGROUND:Intratracheal instillation of blood induces self-repaired acute lung injury. However, the mechanism of repair has been unclear. Heme-oxygenase (HO)-1, which catalyzes heme breakdown, acts as an inducible defense against oxidative stress and plays an important role in inflammation. The objective of this study...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-09-05 00:00:00
abstract：OBJECTIVE:To focus on the asthmatic pathogenesis and clinical manifestations related to epithelial sodium channel (ENaC)/chlorine ion channel. DATA SOURCES:The data analyzed in this review were the English articles from 1980 to 2015 from journal databases, primarily PubMed and Google Scholar. The terms used in the lit...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：10.4103/0366-6999.162494
更新日期：2015-08-20 00:00:00
abstract：BACKGROUND:The present study was undertaken to replicate the associations of representative polymorphisms in three genes (complement factor H (CFH), complement factor B (BF) and HtrA serine peptidase 1 (HTRA1)) with exudative age-related macular degeneration (AMD) in a Han Chinese population, and to test if the modifia...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-12-20 00:00:00
abstract：OBJECTIVE:To investigate the relationship between the expression and regulation of osteopontin (OPN) and urolithiasis. METHODS:Normal and stone model rats were treated with 1,25-dihydroxyvitamin D3(D3), vitamin K, testosterone or estradiol for 7 days, and the expression of osteopontin and its mRNA were detected with i...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2001-08-01 00:00:00
abstract：BACKGROUND:A satisfactory animal model of breast cancer metastasizing to bone is unavailable. In this study, we used human breast cancer stem-like cells and human bone to build a novel "human-source" model of human breast cancer skeletal metastasis. METHODS:Human breast cancer stem-like cells, the CD44+/CD24-/lower su...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-10-20 00:00:00
abstract：OBJECTIVE:To identify new recombinant antigens with potential for diagnosis of hemorrhagic fever with renal syndrome (HFRS) and establish reverse transcription-polymerase chain reaction-restriction fragments length polymorphism (RT-PCR-RFLP) for genotyping of hantavirus. METHODS:One group of primers was used to clone ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2001-10-01 00:00:00
abstract：BACKGROUND:Vascular rings are uncommon anomalies in which preferred strategies for diagnosis and management may vary among institutions. In this study, we reported our approach and a review of our 5-year experience. METHODS:From May 2006 to April 2011, 45 children (31 boys) with vascular rings underwent surgical repai...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2012-04-01 00:00:00
abstract：BACKGROUND:Chronic graft-versus-host disease (GVHD), the commonest long-term complication after allogeneic hematopoietic stem cell transplantation (HSCT), has a negative impact on patients' health related quality of life (HRQoL). This study was designed to investigate the HRQoL in patients with chronic GVHD in China. ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2013-08-01 00:00:00
abstract：OBJECTIVE:To review the current research into Foxp3(+) regulatory T cells (Treg) cell surface molecules, plasticity of Treg cells and mechanisms of Treg cell suppression and to explore the possibilities to interfere in Treg cell suppression of anti-tumor immunity. DATA SOURCES:A literature search of all English articl...
journal_title：Chinese medical journal
pub_type： 杂志文章,评审
doi：
更新日期：2010-11-01 00:00:00
abstract：BACKGROUND:Medical consortium is a specific vertical integration model of regional medical resources. To improve medical resources utilization and control the health insurance costs by fee-for-service plans (FFS), capitation fee and diagnosis-related groups (DRGs), it is important to explore the attitudes of doctors to...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2011-01-01 00:00:00
abstract：BACKGROUND:Despite the presigmoid transpetrosal approach has been used by different researchers in various ways, the surgical injury rate remains high. Applying a minimally invasive keyhole idea, we devised a presigmoid transpetrosal keyhole approach (PTKA), classified and quantitatively assessed their approach to the ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2008-04-20 00:00:00
abstract：OBJECTIVE:To elucidate the transmission dynamic and epidemic trend of bancroftian filariasis occurred under the condition with no control measure taken 5 years after elimination of filariasis. METHODS:A 10-year longitudinal observation (from 1984 to 1994) was made in Huayuan Village in Shengli Township of Tancheng Cou...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1998-03-01 00:00:00
abstract：BACKGROUND:There are relatively few reports focusing on clinical and multi-slice CT (MSCT) imaging findings of mucinous tubular and spindle cell carcinoma (MTSCC). Our study aimed to characterize the clinical and MSCT imaging features of MTSCC. METHODS:The imaging findings in 17 patients with MTSCC by MSCT were retros...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2014-01-01 00:00:00
abstract：BACKGROUND:Fluid dynamic mechanisms attributed to coronary bifurcation lesions remain a subject of study. The present study aimed at investigating the hemodynamic change of wall shear stress (WSS) in patients with coronary bifurcation lesions treated by double kissing (DK) crush or one-stent with final kissing balloon ...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2012-05-01 00:00:00
abstract：BACKGROUND:Previous studies have indicated that the cognitive deficits in patients with Alzheimer's disease (AD) may be due to topological deteriorations of the brain network. However, whether the selection of a specific frequency band could impact the topological properties is still not clear. Our hypothesis is that t...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：10.4103/0366-6999.151654
更新日期：2015-03-05 00:00:00
abstract：OBJECTIVE:To assess the value of noninvasive three-dimensional computed tomographic angiography (3D-CTA) in preoperative detection of intracranial arteriovenous malformations (AVMs). METHODS:A prospective evaluation at a single institute over a 2-year period included 23 patients suspected of intracranial AVMs. All pat...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2000-10-01 00:00:00
abstract：BACKGROUND:Asthma is a heterogeneous disease for which a strong genetic basis has been firmly established. Until now no studies have been undertaken to systemically explore the network of asthma-related genes using an internally developed literature-based discovery approach. This study was to explore asthma-related gen...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：2013-07-01 00:00:00
abstract：:Injections of serotonin (5-HT) into the aortic arch of rats caused greater reductions of blood pressure (BP) and less increases in renal vascular resistance (RVR) than that into jugular veins, in contrast to norepinephrine (NE) which tended to cause larger increases in BP and RVR by the intra-aortic route. Indomethaci...
journal_title：Chinese medical journal
pub_type： 杂志文章
doi：
更新日期：1989-06-01 00:00:00
