ABSTRACT
Objective To investigate the baseline clinical characteristics,ascending aortic root anatomical characteristics,and related factors of the surgical strategy of patients with new-onset conduction disturbance(NOCD)after transcatheter aortic valve replacement(TAVR)with self-expanding valve(SEV)implantation.Methods A retrospective study was conducted on 245 patients who underwent TAVR at the Xiamen Cardiovascular Hospital Xiamen University between December 2014 and November 2022.According to the inclusion and exclusion criteria,167 patients with SEV implantation during surgery were continuously included.They were divided into tricuspid aortic valve group(TAV group,113 cases)and bicuspid aortic valve group(BAV group,54 cases)according to aortic valve morphology.The TAV group was divided into NOCD group(43 cases)and non NOCD group(70 cases)according to postoperative electrocardiogram characteristics.The BAV group was divided into NOCD group(16 cases)and non NOCD group(38 cases).Collect clinical data such as preoperative electrocardiogram and ascending aortic root CT angiography from patients.Results The right-non valvular calcification quantification(P=0.005)in the non-NOCD group was significantly greater than that in the NOCD group,but the aortic angle(P=0.002)was smaller in TAV patients.Multivariate analysis suggested that the risk of NOCD after TAVR is reduced by 2.6%for every 10 mm3 increase in right-non valvular calcification in patients(OR 0.974,P=0.039),the risk of postoperative NOCD nearly 7.3%for every degree increase in aortic angulation(OR 1.073,P=0.003).In BAV patients the increase of the risk of NOCD after TAVR is nearly 3.3%for every l ms increase in preoperative PR interval(OR 1.033,P=0.041),the risk of NOCD is reduced by 6.6%for every 10 mm3 increase in calcification quantification in the right coronary valve area(OR 0.934,P=0.013).Conclusions In TAV patient,right-non valvular calcification may have a protective effect on the cardiac conduction system,but a larger aortic angle increases the risk of NOCD.In BAV patients,a longer preoperative PR interval is a risk factor for NOCD,and the right coronary valve area may protect the cardiac conduction system.
ABSTRACT
Objective: To examine the outcomes of Slide tracheoplasty for the children with severe congenital tracheal stenosis received previous repeated balloon dilatation or metal stent placement under endoscopy. Methods: A retrospective study was conducted in 9 children with congenital tracheal stenosis undergoing previous interventional therapy under tracheoscopy and later received Slide tracheoplasty due to obvious respiratory symptoms at Department of Cardiac Surgery, Qilu Children's Hospital of Shandong University between February 2017 and July 2021. There were 7 males and 2 females with a median age at operation of 72.4 months (range: 13.3 to 98.9 months), and the median weight was 19.0 kg (range: 9.0 to 33.0 kg). Among the 9 patients, 2 patients began to receive repeated balloon dilatation (more than 3 times) 17.8 and 51.8 months ago respectively. One patient received metal stents placement into the trachea for 4 days and the other 6 children for median 56.8 months (range: 21.6 to 74.2 months). Complete tracheal cartilage rings and long segmental stenosis were present. in all 9 children. Operative details and outcome measures, including the need for endoscopic airway intervention and mortality, were collected. Results: Slide tracheoplasty was performed in all cases. Two patients with repeated balloon dilatation had different thickness of tracheal wall, local scar hyperplasia and irregular lumen. Among them, 1 case had obvious local calcification of tracheal wall, which was difficult to suture. The metal stent in one patient with short time of placement was completely removed. However, only part of the metal stents could be removed due to the long placement time in the other 6 cases. There was no operative death in the 9 children. The median postoperative tracheal intubation time was 25.3 hours (range: 17.4 to 74.5 hours). A silicone stent was placed in the trachea of 1 child due to obvious respiratory symptoms. Follow-up of median 11 months (range: 1 to 23 months) showed that no death occurred after discharge and all children had basically normal activity tolerance with no obvious respiratory symptoms. Conclusions: Slide tracheoplasty is feasible for children undergoing prior balloon dilatation or metal stents placement. Previously repeated balloon dilatation or metal stent placement under endoscopy increased the difficulty of slide tracheoplasty, the metal stent could not be completely removed after a long time.
Subject(s)
Child , Female , Humans , Infant , Male , Constriction, Pathologic , Dilatation , Endoscopy , Plastic Surgery Procedures , Retrospective Studies , Stents , Trachea/surgery , Tracheal Stenosis/surgery , Treatment OutcomeABSTRACT
OBJECTIVE@#To investigated the clinical and pathological characteristics of related-renal damage in patients with POEMS syndrome.@*METHODS@#Five patients diagnosed as POEMS syndrome in our hospital were selected. Their clinical manifestation, pathological characteristics of kidney and laboratory examination were analyzed retrospectively. Among the 5 patients, three males and two females with a median age of 50 years old. The mean interval before diagnosis was 13.0±7.2 months.@*RESULTS@#All the patients showed neuropathy, endocrinopathy, monoclonal plasma cell-proliferative disorder, skin changes and extravascular volume overload, in which 4 patients showed organomegaly. Proteinuria was found in 5 patients, and microhematuria was found in 4 patients. Moreover, 4 patients showed an elevated blood urea, while 2 patients showed creatinine elevation. 1 patient at chronic kidney disease (CKD)-G1 stage, 2 patients at CKD-G2 stage, and 1 patient at CKD-G3b stage, moreover, 1 patient at CKD-G5 stage. Endothelial injury and mesangial lesion were the main characteristics of renal pathology. 3 patients were pathologically diagnosed as thrombotic microangiopathy kidney damage, while 2 patients as light chain amyloidosis.@*CONCLUSION@#POEMS syndrome is a multi-systemic disease with complex clinical manifestations. 5 patients had different degrees of renal insufficiency. Endothelial injury and mesangial lesion are the main features of renal pathology.
Subject(s)
Female , Humans , Male , Middle Aged , Kidney , POEMS Syndrome , Paraproteinemias , Renal Insufficiency , Retrospective StudiesABSTRACT
OBJECTIVE@#To explore the clinical characteristics and therapeutic efficacy of patient with adult acute lymphoblastic leukemia(ALL).@*METHODS@#Seventy-seven ALL patients diagnosed in the first affiliated hospital of Zhengzhou University from 2018 to 2019 were selected. The immunotyping, fusion gene and gene mutation were detected by flow cytometry, real-time quantitative polymerase chain reaction (RT-PCR) and next generation sequencing (NGS).@*RESULTS@#Among 77 patients with ALL, 66 were B-ALL, 9 were T-ALL. CD7 and cCD3 were the most valuable for the diagnosis of T-ALL, CD19 and cCD79a were the most valuable for the diagnosis of B-ALL, and CD58, CD123 were highly expressed in B-ALL. Three fusion genes: BCR-ABL (20.8%), MLL-AF4 (5.19%) and E2A-PBX1 (2.60%) were detected by RT-PCR and 10 mutant genes were detected by NGS (the total detection rate was 33.47%). The highest mutation rates were IL-7R (6 cases), NOTCH1 (6 cases), TP53 (5 cases) and FLT-3 (4 cases). Patients with IL-7R, NOTCH1 and TP53 mutations showed poor response to induction chemotherapy.@*CONCLUSION@#The CD123, IL-7R, NOTCH1 and TP53 may be risk factors for prognosis, however, the increase of case number and prolonging of follow-up time are needed to further confirm.
ABSTRACT
OBJECTIVE@#To compare the gene mutational spectrum between elderly and young adults with acute myeloid leukemia(AML) based on next generation sequencing(NGS).@*METHODS@#The specimens of 250 AML patients in first affiliated hospital of Zhengzhou University from January 2018 to November 2018 were collected and analyzed retrospectively. The mutation of 22 related genes were detected by using AML NGS chips. Then, the differences between elderly (≥60 years old) and young adults (<60 years old) were compared.@*RESULTS@#The most frequent mutations of 250 patients were as follows: NPM1(22.4%), FLT3-ITD(18.8%), NRAS(17.2%), DNMT3A(14.4%), TET2(11.6%), IDH2(9.6%), Biallelic CEBPA(8.8%), Moallelic CEBPA(8.4%), KIT(8.4%), RUNX1(7.6%), IDH1(7.6%), ASXL1(6.0%), U2AF1(5.2%), SRSF2 (3.2%), SF3B1(3.2%), TP53(2.4%), KRAS(2.0%). The NPM1, CEBPA, DNMT3A mutation significantly increased in intermediate prognosis group while KIT significantly increased in favourable prognosis group. The TET2 and IDH2 mutation rate in elderly patients were significantly higher than that in young patients (21.8% vs 8.7%) (χ=7.180, P=0.007) and (20.0% vs 6.7%) ( χ=8.788, P=0.003) respectively. Compared with young patients, the frequencies of DNA methylation and demethylation mutations (including DNMT3A, TET2, IDH1, IDH2) and RNA splicing enzyme mutations (inc-luding SRSF2, SF3B1, U2AF1, ZRSR2) in elderly patients significantly increased(67.3% vs 36.4%) (χ=16.653, P=0.000) and (23.6% vs 8.7%)(χ=9.041, P=0.003) respectively.@*CONCLUSION@#The gene mutational spectrum in elderly and young adult AML shows heterogeneity. Compared with young adults, the frequencies of DNA methylation and demethylation mutations and RNA splicing enzyme mutations in elderly patients significantly increase.
ABSTRACT
Objective To investigate the feasibility, safety and efficacy of excimer laser coronary atherectomy used in complex lesions, including in-stent restenosis, non-crossable or nonexpandable lesions, heavily calcified lesions without successful wire-exchange and saphenous vein grafts lesions. Methods From Jul 24, 2017 to Aug 24, 2018, 22 cases with 24 lesions were treated with excimer laser coronary atherectomy in Peking University People's Hospital, combined with or without IVUS/OCT, rotational atherectomy or other percutaneous coronary intervention instrument, and with or without stent implantation. Results The procedural success rate was 23/24. There was no complications in all cases. Drug-eluting stents were implanted in 19/24 of lesions. There were no major advent cardiovascular events, including death, acute ST-segment-elevation myocardia and pericardial tamponade recorded. Conclusions Excimer laser coronary atherectomy used in complex lesions is feasible, safe and efficient with satisfactory in-hospital short-term outcome.
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the expression of long-chain non-coding RNA RP11-87C12.5 in acute lymphocytic leukemia and its clinical significance.</p><p><b>METHODS</b>LncRNA RP11-87C12.5 expression was detected by RT-PCR in bone marrow samples from 17 control group, 33 newly diagnosed ALL patients and 26 complete remission ALL patients after chemotherapy, at the same time the clinical data were collected and the clinical significance of IncRNA RP11-87C12.5 expression was analyzed.</p><p><b>RESULTS</b>Compared with control group, lncRNA RP11-87C12.5 expression increased in newly diagnosed ALL group (P=0.021); compared with newly diagnosed ALL group, IncRNA RP11-87C12.5 expression decreased in complete remission ALL group (P=0.039). lncRNA RP11-87C12.5 expression in newly diagnosed ALL group did not relate with sex, age, T or B type, WBC count, Hb level, Plt count, LDH level, bone marrow blast ratio, BCR/ABL fusion gene expression, chomosome karyotypes, WT1 gene, extrameanllary infiltration or no,complete remission or no after one chemotherapy and relapse or no. In 27 cases of ALL, IncRNA RP11-87C12.5 expression significantly increased in cCD79a low expression group, compared with cCD79a high expression group (P=0.004). IncRNA RP11-87C12.5 expression did not relate with other CD molecules of immunoclassification.</p><p><b>CONCLUSION</b>The expression of LncRNA RP11-87C12.5 is high in newly diagnosed ALL group and low in complete remission ALL group. In B-ALL, the expression of IncRNA RP11-87C12.5 significantly enhances in cCD79a low expression group. In newly diagnosed ALL group, compared with low expression group, lncRNA RP11-87C12.5 high expression group have higer remission rate and relapse rate, but the difference was not statistically significant.</p>
ABSTRACT
Objective To observe the current status of secondary prevention medication usage and their relation with on-treatment platelet reactivity in patients with Acute Coronary Syndrome(ACS) treated with aspirin and clopidogrel. Methods A total of 176 patients hospitalized from 2014 to 2015 due to ACS in the Department of Cardiology, Peking University People's Hospital were enrolled and on-treatment platelet reactivity was tested by thromboelastography(TEG)and CYP2C19*2,*3 and*17 alleles were analysed. Details of secondary prevention medication and patients' clinical characteristics were recorded. The relation of secondary prevention medication and on-treatment platelet reactivity was analyzed by multi-logistic regression after adjusting for CYP2C19 alleles and clinical characteristics covariates.Results A 94.89% of patients was treated with statins while 80.68% with beta blocker. The platelet inhibition rate were (45.33±28.78)% and the high on-treatment platelet reactivity (HTPR) rate tested by TEG was 37.50%. In the multivariate logistic regression analysis, usage of β-blockers during hospitalization as well as phenotypes of CYP2C19*2,*3 and *17,clinical presentation with ST-segment elevation myocardial infarction and the length of stents were associated with HTPR defi ned by TEG. The percentage of HTPR rate was signifi cantly lower in patients treated with than those without β-blockers (72.73% vs. 85.45%,OR 0.18,95%CI 0.06-0.53,P=0.002)after adjusting genetic factors and other covariates.Conclusions There was a signifi cant correlation between beta blockers usage and high clopidogrel on-treatment platelet reactivity.
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the expression of long non coding RNA RP11-69I8.3 in acute leukemia and its clinical significance.</p><p><b>METHODS</b>lncRNA RP11-69I8.3 expression was detected by RT-PCR in bone marrow samples from 17 healthy controls, 32 newly diagnosed AML patients and 32 newly diagnosed ALL patients, and 25 ALL patients of complete remission after chemotherapy. Meanwhile, the clinical data were collected and the relation of lncRNA RP11-6918.3 expression with the clinical characteristics was analyzed.</p><p><b>RESULTS</b>Compared with the control group, there was no significant difference in the expression of lncRNA RP11-69I8.3 in AML group(P>0.05). lncRNA RP11-69I8.3 lowly expressed in untreated ALL group(P=0.001). Compared with the de novo ALL group, lncRNA RP11-69I8.3 was highly expressed in complete remission ALL group (P<0.013). In 32 de novo ALL patients,the expression of lncRNA RP11-69I8.3 in children was significantly lower than that in adult(P=0.017). There was no correlation of the expression of lncRNA RP11-69I8.3 with the sex, WBC count, HB level, Plt count, LDH level, T or B type, ratio of bone marrow blast cell, BCR/ABL and WT1 fusion gene expression, chromosome karyotype, extramedullary infiltration, whether complete remission after one chemotherapy, whether relapse. In 26 B-ALL patients, there was no correlation between lncRNA RP11-69I8.3 and the immunophenotype.</p><p><b>CONCLUSION</b>The expression of lncRNA RP11-69I8.3 in the untreated AML is not significantly different from the control group. lncRNA RP11-69I8.3 is low expressed in ALL group, highly expressed in ALL group with complete remission. In untreated ALL, the expression of lncRNA RP11-69I8.3 in children is significantly lower than that in adult. In B-ALL patients, the lncRNA RP11-69I8.3 is not relevant with the immunophenotype.</p>
Subject(s)
Humans , Acute Disease , Fusion Proteins, bcr-abl , Leukemia , RNA, Long NoncodingABSTRACT
<p><b>OBJECTIVE</b>To investigate the expression of CC-chemokine receptor 7(CCR7) in patients with multiple myeloma(MM) and its correlation with clinical features of MM.</p><p><b>METHODS</b>The level of CCR7 expression in bone marrow samples from 53 newly diagnosed MM patients was detected by flow cytometry(FCM). Statistical methods were used to analyze the correlation between CCR7 expression and clinical features, such as sex, age, M protein, peripheral blood cell count, biochemical indicators, plasma cell ratio of bone marrow, immunophenotype, osteopathy and extramedullary disease.</p><p><b>RESULTS</b>The plasma cells in 24 out of 53 cases(45.28%) expressed CCR7. The rate of extramedullary disease in CCR7 positive group was significantly higher than that in CCR7 negative group (29.17% vs 3.45%)(P<0.05).</p><p><b>CONCLUSION</b>The expression of CCR7 in patients with MM is high, moreover this high expression correlates with extramedullary disease, thus CCR7 can be used as an effective indicator for prediction of extramedullary disease.</p>
ABSTRACT
<p><b>OBJECTIVE</b>To explore the differences of CD146 expression in adult and children's acute B cell lymphoblastic leukemia(B-ALL), and its relation with clinical features, molecular biological and cytogenctic claracteristics.</p><p><b>METHODS</b>The expression of CD146 in bone marrow samples from adult and children's B-ALL patients were detected by flow cytometry (FCM) and the relation of CD146 abnormal high expression with the patients' clinical features, molecular biological and cytogenetical characteristics, as well as other antigens were analyzed.</p><p><b>RESULTS</b>The abnormal high expression rates of CD146 in adult and children's B-ALL patients were 29.17% and 9.09% respectively, showing that the expression rate of CD146 in adult patients was higher than that in children's patients(P<0.05). In adult B-ALL, CD146 was positively related with CD64 and CD117, while in children's B-ALL CD146 was positively related with CD71 and CD58 (P<0.05). After 1 course of standardized chemotherapy, the complete remission rates in adult and children's B-ALL patients with abnormal high expression of CD146 both were low as compared with adult and children's B-ALL without abnormal high expression of CD146 (P<0.05).</p><p><b>CONCLUSION</b>The expression rate of CD146 in adult B-ALL is higher than that in children's B-ALL. The CD146 positively relates with poor prognostic antigens, the CD146 may be one poor prognosis marker.</p>
ABSTRACT
<p><b>OBJECTIVE</b>To study the expression of nNOS and ultrastructural changes in the penile tissue of rats with prolactinoma-induced erectile dysfunction (ED).</p><p><b>METHODS</b>We established the model of prolactinoma in 20 male Westar rats by peritoneal injection of diethylstilbestrol (DES) and treated the control rats with normal saline (n = 10) or sterilized arachis oil (n = 10). After 8 weeks, we performed the apomorphine test and measured the weight of the pituitary gland and the levels of serum prolactin (PRL) and testosterone (T) to confirm the successful construction of the prolactinoma-induced ED model. Then we determined the expression of nNOS in the penile tissue by immunohistochemistry and examined the ultrastructural changes of the penile cavernosum under the transmission electron microscope.</p><p><b>RESULTS</b>The prolactinoma-induced ED model was successfully established in 15 rats. The weight of the pituitary gland was significantly increased in the rats treated with DES as compared with the normal saline and sterilized arachis oil controls ([46.7 ± 15.5] vs [11.7 ± 2.4] and [12.4 ± 2.3] mg, both P < 0.05). The level of serum PRL was markedly higher while that of T remarkably lower in the former than in the latter two groups ([1,744.9 ± 304.5] vs [11.5 ± 2.4] and [10.6 ± 1.9] ng/ml, both P < 0.0l; [1.54 ± 0.46] vs [3.11 ± 1.08] and [3.04 ± 1.11] ng/ml, both P < 0.05). The rate of penile erection was significantly reduced in the prolactinoma-induced ED model rats in comparison with the normal saline and arachis oil controls (16.7% vs 100% and 87.5%, both P < 0.05), and so was the expression of nNOS in the penile tissue (0.024 ± 0.011 vs 0.066 ± 0.019 and 0.058 ± 0.021, both P < 0.05). Transmission electron microscopy manifested significant ultrastructural changes in the endothelial and smooth muscle cells of the cavernous tissue in the prolactinoma-induced ED models.</p><p><b>CONCLUSION</b>The ultrastructural changes of the penile cavernous tissue and the reduced expression of nNOS in penile tissue may be the most important mechanisms of prolactinoma-induced ED in rats.</p>
Subject(s)
Animals , Humans , Male , Rats , Apomorphine , Carcinogens , Diethylstilbestrol , Erectile Dysfunction , Myocytes, Smooth Muscle , Nitric Oxide Synthase Type I , Metabolism , Organ Size , Penile Erection , Penis , Pituitary Neoplasms , Prolactin , Blood , Prolactinoma , Rats, Wistar , Testosterone , BloodABSTRACT
<p><b>BACKGROUND</b>To investigate the contributions of CYP2C19 polymorphisms to the various clopidogrel responses tested by thrombelastography (TEG) in Chinese patients with the acute coronary syndrome (ACS).</p><p><b>METHODS</b>Patients were screened prospectively with ACS diagnose and were treated with clopidogrel and aspirin dual antiplatelet therapy. CYP2C19 loss of function (LOF) and gain of function (GOF) genotype, adenosine 5'-diphosphate (ADP)-channel platelet inhibition rate (PIR) tested by TEG and the occurrence of 3-month major adverse cardiovascular events and ischemic events were assessed in 116 patients.</p><p><b>RESULTS</b>High on-treatment platelet reactivity (HTPR) prevalence defined by PIR <30% by TEG in ADP-channel was 32.76% (38/116). With respect to the normal wild type, CYP2C19*2, and *3 LOF alleles, and *17 GOF alleles, patients were classified into three metabolism phenotypes: 41.38% were extensive metabolizers (EMs), 56.90% were intermediate metabolizers (IMs), and 1.72% were poor metabolizers (PMs). Of the enrolled patients, 31.47%, 5.17%, and 0.43%, respectively, were carriers of *2, *3, and *17 alleles. The HTPR incidence differed significantly according to CYP2C19 genotypes, accounting for 18.75%, 41.54%, and 100.00% in EMs, IMs, and PMs, respectively. Eighteen (17.24%) ischemic events occurred during the 3-month follow-up, and there was a significant difference in ischemic events between HTPR group and nonhigh on-treatment platelet reactivity group.</p><p><b>CONCLUSIONS</b>Genetic CYP2C19 polymorphisms are relative to the inferior, the antiplatelet activity after clopidogrel admission and may increase the incidence of ischemic events in patients with ACS.</p>
Subject(s)
Aged , Female , Humans , Male , Middle Aged , Acute Coronary Syndrome , Genetics , Alleles , Asian People , Blood Platelets , Cytochrome P-450 CYP2C19 , Genetics , Genetic Variation , Platelet Aggregation Inhibitors , Pharmacology , Polymorphism, Genetic , Prospective Studies , Thrombelastography , Ticlopidine , PharmacologyABSTRACT
In this paper, the content of moisture, ethanol-soluble extractives, total saponins and polysaccharide of different tuber samples of Hemsleya zhejiangensis, from different localities, years and seasons, were detected based upon Chinese Pharmacopoeia 2010 version. The samples of roots, stems and leaves in summer were detected as well. The results are mainly as follows. (1)With tuber quality increasing, the content of total saponins increased and then decreased. The individual quality of tubers getting 594.06 g, the content of total saponins reached the peak. (2) The content of active ingredients in different localities was significantly different, and the population of Wuyanling had the maximum content of total saponins and polysaccharide. (3) The content of active ingredients revealed stability between the years 2012 and 2013, but the content of polysaccharide was significantly different. The content in 2012 was higher than that of 2013. (4) The content of active ingredients reached the peak in autumn, which was the best harvest season. (5) Among different component content detection of nutritional organs, tubers had the maximum content of ethanol-soluble extractives, total saponins and polysaccharide. Leaves also contained higher content of ethanol-soluble extractives and total saponins than roots and stems. All of these provide theoretical basis for plant, harvest and production of H. zhejiangensis, which is an endemic, rare, and endangered medicinal plants.
Subject(s)
China , Cucurbitaceae , Chemistry , Metabolism , Drugs, Chinese Herbal , Metabolism , Plant Leaves , Chemistry , Metabolism , Plant Roots , Chemistry , Metabolism , Plant Tubers , Chemistry , Metabolism , Plants, Medicinal , Chemistry , MetabolismABSTRACT
<p><b>OBJECTIVE</b>To discuss the distribution characteristics of language areas in Chinese-English non-fluent late bilinguals.</p><p><b>METHODS</b>Six Chinese-English bilinguals with eloquent tumors underwent awake-surgeries. The activated areas of BOLD-fMRI were obtained as the patients performed pure naming, verb generation, and abstract/concrete judgment tasks. Direct cortical stimulation(DCS) as the golden standard of language mapping were performed during awake-surgeries on the exposed cortical areas. BOLD-fMRI results of 3 language tasks were compared with DCS results. The statistical method was McNemer.</p><p><b>RESULTS</b>Sixteen positive sites(22.5%) were comfirmed out of 71 stimulations. There were 3 specific language sites, in which 2 sites were specific English sites and 1 site was specific Chinese site. When activated areas of BOLD-fMRI were compared with the DCS results, verb generation task had the highest concordance rate 40.9% (95%CI:30.2%-52.5%) . There were significant differences between the results of BOLD-fMRI and DCS of all 3 bilingual tasks(P < 0.017).</p><p><b>CONCLUSIONS</b>There are specific language areas in Chinese-English non-fluent late bilinguals. The BOLD-fMRI language mapping could not substitute DCS in the context of mapping language areas in bilinguals.</p>
Subject(s)
Adult , Female , Humans , Male , Young Adult , Brain Mapping , Brain Neoplasms , General Surgery , Cerebral Cortex , Physiology , Magnetic Resonance Imaging , MultilingualismABSTRACT
<p><b>OBJECTIVE</b>To investigate the safety and efficacy of rotational atherectomy followed by drug-eluting stent implantation for treating patients with heavily calcified coronary lesions.</p><p><b>METHODS</b>From March 1, 2010 to September 1, 2012, 65 cases with 78 heavily calcified coronary lesions which were treated with rotational atherectomy followed by drug-eluting stent implantation in Peking University People's Hospital were included, and 36 cases also underwent intravascular ultrasound to guide the rotational atherectomy procedure and drug-eluting stent implantation.All patients were followed up in hospital and post discharge. Procedure parameters, complications and major adverse cardiovascular events (cardiac death, non-fatal myocardial infarction, percutaneous coronary intervention related myocardial infarction, target vessel revascularization, recurrent angina, intra-stent restenosis and stent thrombosis) were analyzed.</p><p><b>RESULTS</b>Direct rotational atherectomy was performed in 64.6%(42/65) patients, rescued rotational atherectomy in 35.4%(23/65) patients, drug-eluting stents implantation was applied to all cases after rotational atherectomy. The immediate procedural success rate was 100% (78/78). The average burr/artery ratio was 0.50 ± 0.04, the average number of burr used per case was 1.15 ± 0.36. The average burr/artery ratio was 0.52 ± 0.03 and the average number of burr used per cases was 1.19 ± 0.40 in 36 cases guided with intravascular ultrasound. Five cases (7.7%) developed complications and were treated accordingly during procedure with satisfactory results. The incidence of major adverse cardiovascular events was 13.8% (9/65) during (17.6 ± 8.5) months follow-up.</p><p><b>CONCLUSION</b>Rotational atherectomy followed by drug-eluting stent implantation is a safe and efficient technique for treating heavily calcified coronary lesions.</p>
Subject(s)
Aged , Female , Humans , Male , Middle Aged , Atherectomy, Coronary , Methods , Coronary Artery Disease , General Surgery , Drug-Eluting Stents , Follow-Up Studies , Retrospective Studies , Treatment OutcomeABSTRACT
Objective To explore the efficacy ofmicrosurgery and gamma knife treatment on brainstem cavernous malformations.Methods Retrospective analysis was performed on the clinical data of 15 patients with brainstem cavernous malformations treated by microsurgery and 22 patients by gamma knife in our hospital from January 2002 to December 2011.The clinical symptom improvement,scores of Glasgow Outcome Scale,scores of Karnofsky Performance Scale and scores of National Institutes of Health Stroke Scale before and after treatment were observed and compared between the two groups.Results Patients in the micro-surgery group enjoyed the following results:one patient with pontine lesion had residual postoperation; no re-bleeding or death was noted; two had irreversible neurological dysfunction; clinical symptoms improved in 11 patients (73.3%); the postoperative scores of Glasgow Outcome Scale and Karnofsky Performance Scale increased 0.20 and 6.6 as compared with the preoperative ones; The postoperative scores of National Institutes of Health Stroke Scale decreased 1.20 as compared with the preoperative ones.Patients in Gamma Knife group enjoyed the following results:the lesions of two patients increased due to re-bleeding; three had perifocal brain edema; no death was noted;the clinical symptoms improved in 9 patients (40.9%); the postoperative scores of Glasgow Outcome Scale and Karnofsky Performance Scale increased 0.05 and 1.82 as compared with the preoperative ones; the postoperative scores of National Institutes of Health Stroke Scale decreased 0.82 as compared with the preoperative ones.Conclusion Micro-surgery may be more effective than Gamma Knife in treating brainstem cavernous malformations; however,patients with non-surgical conditions or refusing surgery could choose Gamma Knife treatment; gamma knife treatment should be cautiously chosen.
ABSTRACT
Objective To compare the consistency and efficiency on predicting preoperative memory lateralization of left temporal lobe epilepsy patients using propofol wada test and function magnetic resonance imaging (fMRI).Methods Eight patients with left anterior temporal lobectomy (L-ATL),were chosen in our study and performed preoperative language and memory lateralization assessment by fMRI and propofol Wada test; combined with the pre-postoperative Wechsler memory or intelligence results,the consistency and efficiency of these two methods on evaluating the memory lateralization of left temporal lobe epilepsy patients were compared.Results The concordance of medial temporal lobe lateralization and vocabulary hemispheric lateralization by fMRI was 57% and 71.4%,respectively,as compared with those results of Wada test.Preoperative fMRI memory lateralization was significantly correlated with postoperative intelligence quotient,verbal memory and memory quotient change,while the post-preoperative changes were insignificantly related to Wada LI.Conclusion The consistency is different on account of the way of selecting regions of interest between preoperative propofol Wada test and verbal memory fMRI.The sensitivity of predicting postoperative vebal memory changed by fMRI is higher than Wada test.
ABSTRACT
OBJECTIVE@#To study the relationship of the expressions of p53 and mdm2 in leukoplakia cancer.@*METHODS@#RT-PCR was used to detect the mRNA of p53, mdm2 in patients with leukoplakia cancer. The frequencies of p53, mdm2 in peripheral blood were detected by flow cytometric analysis.@*RESULTS@#The expression of p53mRNA in normal oral mucosa, simple oral leukoplakia, no-simple oral leukoplakia and leukoplakia cancer were 7.7%, 27.3%,33.3%, 56.8%, respectively. The frequencies of p53 in normal oral mucosa, simple oral leukoplakia, no-simple oral leukoplakia and leukoplakia cancer were (0.3±0.1)%, (1.6±0.9)%, (1.9±1.1)%, (3.4±1.8)%. The expression of mdm2 mRNA in normal oral mucosa, simple oral leukoplakia, no-simple oral leukoplakia and leukoplakia cancer were 0.0%, 6.8%, 11.1%, 37.8%, respectively. The frequencies of mdm2 in normal oral mucosa, simple oral leukoplakia, no-simple oral leukoplakia and leukoplakia cancer were (0.1±0.1)%, (0.8±0.6)%, (1.2±0.8)%, (1.2±0.8)%. There was a positively correlation between p53 mRNA and mdm2 mRNA.@*CONCLUSIONS@#The positive rate of p53 and mdm2 cells in the peripheral blood increases in patients with leukoplakia cancer tissue and has positive correlation with the severity of leukoplakia cancer.
Subject(s)
Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Young Adult , Gene Expression Regulation, Neoplastic , Leukoplakia , Genetics , Metabolism , Proto-Oncogene Proteins c-mdm2 , Genetics , Metabolism , Tumor Suppressor Protein p53 , Genetics , MetabolismABSTRACT
<p><b>OBJECTIVE</b>To prospectively evaluate the change of quality of life in patients with acute coronary syndrome following percutaneous coronary intervention (PCI) with drug-eluting stents and explore the influencing factors of quality of life.</p><p><b>METHODS</b>There hundred and thirty four consecutive patients with acute coronary syndrome receiving drug-eluting stents implantation between September 2008 and December 2009 were enrolled. Of them, two hundred and ninety three patients completed 36-item short form health survey at baseline and 6 months after PCI procedure. Change of quality of life and influencing factors on quality of life were analyzed.</p><p><b>RESULTS</b>Compared with baseline, quality of life improved significantly after PCI in terms of both physical component summary and mental component summary [ (51.07 ± 20.39) scores vs. (61.69 ± 19.73) scores and (63.27 ± 20.00) scores vs. (68.81 ± 18.71) scores, respectively; all P < 0.01]. Multiple linear regression analysis showed that female, diabetes and ST-segment elevation myocardial infarction were independent predictors of physical component summary improvements post PCI (β values were -0.310, -3.880 and 1.302, respectively; P < 0.05 or P < 0.01). Previous PCI and diabetes were independent predictors of mental component summary improvements post PCI (β values were -1.483 and -2.790, respectively; all P < 0.01).</p><p><b>CONCLUSIONS</b>Quality of life of acute coronary syndrome patients is significantly improved at 6 months after drug-eluting stents implantation. The predictors of physical quality of life improvement are female, diabetes, and ST-segment elevation myocardial infarction. Predictors of mental quality of life improvement are previous PCI and diabetes.</p>