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[Course and prognosis analysis of intratympanic dexamethasone in the treatment of sudden sensorineural hearing loss]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2019; 32:1696-1699. [PMID: 30716797 DOI: 10.13201/j.issn.1001-1781.2018.22.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Indexed: 11/12/2022]
Abstract
Objective:To compare the recovery of different times of intratympanic dexamethasone in the treatment of sudden sensorineural hearing loss(SSNHL) and investigate the related prognostic factors. Method: Ninety patients with SSNHL were randomly divided into group A(3 times, every 2 days) and group B(5 times, every 2 days) according to the times of intratympanic dexamethasone. All patients were treated with blood flow promoting agents and neural nutrients. After 2 weeks of treatment, the recovery was compared. Based on treatment outcomes, patients were divided into two groups: recovery and no recovery, we evaluated the possible prognostic factors. Result:In the group A, the threshold improvement was(20.2±16.7) dB HL and the overall recovery rate was 78.7%(complete recovery rate, marked recovery rate and recovery rate were 17.0%, 21.3% and 40.4%, respectively), in the group B, the threshold improvement was(20.4±17.4) dB HL and the overall recovery rate was 81.4%, the complete recovery rate, marked recovery rate and recovery rate were 20.9%, 32.6% and 27.9%, respectively, the differences of recovery variables between the 2 groups were not statistically significant. After 2 weeks of treatment, 71 patients got overall recovery(78.9%), 19 patients(21.1%) resulted in no recovery, Interval between onset of symptoms and therapy of recovery group was shorter than that in no recovery group [(5.6±3.6)days vs. (7.7±4.0)days, P<0.05], the presence rate of vertigo in recovery group was lower than that in no recovery(14.1% vs. 68.4%, P<0.01). Gender, ear side, age, concurrence of tinnitus, initial hearing threshold, times of intratympanic dexamethasone and audiogram have no influence on the prognosis of SSNHL. Conclusion:SSNHL patients treated with 3 times and 5 times of intratympanic dexamethasone got similar results. Earlier treatment and absence of vertigo lead to favorable hearing results.
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[Clinical characteristics and prognostic analysis of sudden sensorineural hearing loss with metabolic syndrome]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2019; 33:63-66. [PMID: 30669201 DOI: 10.13201/j.issn.1001-1781.2019.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Indexed: 11/12/2022]
Abstract
Objective:To analyze the clinical characteristics and prognosis of sudden sensorineural hearing loss (SSNHL) with metabolic syndrome (MetS).Method:Records of 212 patients with SSNHL treated in our department were retrospectively reviewed, including gender, age,course of the disease, concomitant time of tinnitus and vertigo, concomitant rate of hypertension and diabetes mellitus, BMI, systolic pressure, diastolic pressure, HDL-C, TG, fasting plasma glucose level, severity of hearing loss and audiograms. All patients were divided into two groups, the MetS group and the Non-MetS group, and the clinical characteristics and prognosis between two groups were compared.Result:In the MetS group, the BMI, systolic pressure, TG, fasting plasma glucose level were higher than that in the Non-MetS group, while the HDL-C level was lower than that in Non-MetS group (P<0.01), and the rates of profound hearing loss, flat audiogram and total deafness audiogram were higher than that in the Non-MetS group (P<0.05). In the MetS group, the overall recovery rate, complete recovery rate and marked recovery rate were 57.8%,6.0% and 14.5%, respectively, which was lower than that in the Non-MetS group (79.8%,19.4% and 27.9%, P<0.05 ).Conclusion:SSNHL patients with MetS suffered a severer hearing loss, the most audiograms were flat and total deafness, and the prognosis of SSNHL patients with MetS was poorer.
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[Adsorptive Remediation of Cr(Ⅵ) Contaminated Groundwater with Chemically Synthesized Schwertmannite]. HUAN JING KE XUE= HUANJING KEXUE 2017; 38:629-639. [PMID: 29964520 DOI: 10.13227/j.hjkx.201608044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Schwertmannite is usually naturally found in acidic mining wastewater and frequently used in the adsorption of heavy metal anions from water and wastewater. Schwertmannite was synthesized through a facile chemical method and utilized to remove Cr(Ⅵ) from contaminated groundwater. The kinetics, thermodynamics and isotherms, as well as the effects of environmental factors on the Schwertmannite adsorption processes were investigated. The experimental results showed that the synthesized Schwertmannite had a strong adsorption capability of Cr(Ⅵ) from aqueous solution. At the pre-set initial concentrations of Cr(Ⅵ), the Schwertmannite adsorption of Cr(Ⅵ) achieved equilibrium within 24 h, and the Lagergren's second-order model fitted the adsorption process better compared to Lagergren's first-order model and intraparticle diffusion model. Langmiur equation fitted the adsorption isotherms better than Freundlich equation. The Cr(Ⅵ) adsorption on Schwertmannite mainly involved ion exchange reaction between Cr(Ⅵ) and anions such as OH- and SO42- and surface complexation reactions. The ΔHθ and ΔGθ were 6.368 kJ·mol-1 and -1.215 kJ·mol-1, respectively, therefore the adsorption of Cr(Ⅵ) was a spontaneous and endothermic process. The removal of Cr(Ⅵ) from aqueous solution increased with increasing Schwertmannite dosage at pH=4.5. Acidic pH in the range of 4.5-6 favored Cr(Ⅵ) removal with Schwertmannite compared to that under basic conditions. Under the conditions of 5 mg·L-1of initial Cr(Ⅵ) concentration, 0.5 g·L-1 of Schwertmannite dosage, pH=6, maximum Cr(Ⅵ) removal of 93.1% was achieved and the adsorption capacity of Cr(Ⅵ) with Schwertmannite reached up to 40.4 mg·g-1. Batch tests showed that the presence of HCO3- and SO42- inhibited the adsorption of Cr(Ⅵ) while Cl- had no significant impact. Cations and natural organic matter had a pH-dependent impact on Cr(Ⅵ) removal:at pH=8 natural organic matter and cations would significantly inhibit the Cr(Ⅵ) sorption, while the impact could be neglected at weak acidic conditions (pH=6).
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[Acidophilic methanogens and their applications in anaerobic digestion]. YING YONG SHENG TAI XUE BAO = THE JOURNAL OF APPLIED ECOLOGY 2011; 22:537-542. [PMID: 21608272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Methanogens play an important role in global carbon cycle. There exists a range of unknown methanogenic archaea in acidic peat lands, among which, acidophilic methanogens have attracted increasing research interests because of their special metabolic characteristics. To introduce acidophilic methanogens in the anaerobic digestion process of high concentration organic wastes or waste water could essentially overcome the inhibition of acid accumulation on the methanogens and help reduce the operation cost, broadening the industrial application of anaerobic bio-treatment technology. In this paper, we reviewed the recent researches on acidophilic methanogens, with the focus on enrichment and isolation methods, physiological and biochemical characters, metabolic characteristics, and application of molecular biology. The potential applications of acidophilic methanogens in anaerobic digestion process were analyzed and proposed, and the directions for further researches were suggested.
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[Ammonia-oxidizing archaea and their important roles in nitrogen biogeochemical cycling: a review]. YING YONG SHENG TAI XUE BAO = THE JOURNAL OF APPLIED ECOLOGY 2010; 21:2154-2160. [PMID: 21043129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
As the first step of nitrification, ammonia oxidation is the key process in global nitrogen biogeochemical cycling. So far, the autotrophic ammonia-oxidizing bacteria (AOB) in the beta- and gamma-subgroups of proteobacteria have been considered as the most important contributors to ammonia oxidation, but the recent researches indicated that ammonia-oxidizing archaea (AOA) are widely distributed in various kinds of ecosystems and quantitatively predominant, playing important roles in the global nitrogen biogeochemical cycling. This paper reviewed the morphological, physiological, and ecological characteristics and the molecular phylogenies of AOA, and compared and analyzed the differences and similarities of the ammonia monooxygenase (AMO) and its encoding genes between AOA and AOB. In addition, the potential significant roles of AOA in nitrogen biogeochemical cycling in aquatic and terrestrial ecosystems were summarized, and the future research directions of AOA in applied ecology and environmental protection were put forward.
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Effects of bamboo charcoal and bamboo vinegar on nitrogen conservation and heavy metals immobility during pig manure composting. CHEMOSPHERE 2010; 78:1177-81. [PMID: 20060567 DOI: 10.1016/j.chemosphere.2009.12.029] [Citation(s) in RCA: 145] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Revised: 12/10/2009] [Accepted: 12/13/2009] [Indexed: 05/22/2023]
Abstract
Composting is an effective methodology for the treatment of organic waste like pig manure (PM) before land application. However, nitrogen loss through NH(3) volatilization during the thermophilic phase is one of the major disadvantages of composting. The presence of Cu and Zn in compost arising from pig feed additives is also an issue. In this study the effects of bamboo charcoal (BC) and bamboo vinegar (BV) added to composting piles on nitrogen conservation and immobility of Cu and Zn during PM composting was investigated. Total Kjeldahl nitrogen (TKN) loss and mobility of Cu and Zn decreased with increased BC addition. TKN loss and mobility of Cu and Zn in the treatment with 9% BC at the end of composting significantly decreased by 65%, 35% and 39% respectively, as compared to the control. Addition of BV further decreased TKN loss. After composting, TKN loss in the treatment with 3% BC+0.4% BV was 23% lower than that in the treatment with 9% BC. The final results indicated that by adding BC or BC+BV into PM composting is an effective method to reduce TKN loss and control the mobility of Cu and Zn.
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[Nitrogen loss and its control during livestock manure composting]. YING YONG SHENG TAI XUE BAO = THE JOURNAL OF APPLIED ECOLOGY 2010; 21:247-254. [PMID: 20387451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Composting is an effective way to realize livestock manure treatment and recycling. However, the nitrogen loss during manure composting is relatively serious. Studies on this nitrogen loss and its control could provide theoretic basis and practical reference for efficient nitrogen loss control. This paper described the nitrogen transformation and the main nitrogen loss ways during the composting, and summarized the main factors (including raw material characteristics, environment factors, and technological conditions) affecting the nitrogen loss in the composting. In addition, the research progress in the nitrogen loss control, including adjusting carbon and nitrogen metabolism, changing nitrogen form, adding ammonia adsorbent, and controlling pile aeration and temperature, was reviewed, and the prospects for future research were presented.
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Combination and transformation of toxin and blood stasis in etiopatho-genesis of thrombotic cerebrocardiovascular diseases. ACTA ACUST UNITED AC 2008. [DOI: 10.3736/jcim20081102] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Effect of MSW source-classified collection on the emission of PCDDs/Fs and heavy metals from incineration in China. JOURNAL OF HAZARDOUS MATERIALS 2008; 153:685-694. [PMID: 17936503 DOI: 10.1016/j.jhazmat.2007.09.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2007] [Revised: 09/02/2007] [Accepted: 09/03/2007] [Indexed: 05/25/2023]
Abstract
Municipal solid waste (MSW) source-classified collection represents a change in MSW management in China and other developing countries. Comparative experiments were performed to evaluate the effect of a newly established MSW source-classified collection system on the emission of PCDDs/Fs (polychlorinated dibenzo-p-dioxins and dibenzofurans) and heavy metals (HMs) from a full-scale incinerator in China. As a result of presorting and dewatering, the chlorine level, heavy metal and water content were lower, but heat value was higher in the source-classified MSW (classified MSW) as compared with the conventionally mixed collected MSW (mixed MSW). The generation of PCDDs/Fs in flue gas from the classified MSW incineration was 9.28 ng I-TEQ/Nm(3), only 69.4% of that from the mixed MSW incineration, and the final emission of PCDDs/Fs was only 0.12 ng I-TEQ/Nm(3), although activated carbon injection was reduced by 20%. The level of PCDDs/Fs in fly ash from the bag filter was 0.27 ng I-TEQ/g. These results indicated that the source-classified collection with pretreatment could improve the characteristics of MSW for incineration, and significantly decrease formation of PCDDs/Fs in MSW incineration. Furthermore, distributions of HMs such as Cd, Pb, Cu, Zn, Cr, As, Ni, Hg in bottom ash and fly ash were investigated to assess the need for treatment of residual ash.
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[Effect of xiongshao capsule on vascular remodeling in porcine coronary balloon injury model]. ZHONGGUO ZHONG XI YI JIE HE ZA ZHI ZHONGGUO ZHONGXIYI JIEHE ZAZHI = CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE 2001; 21:591-4. [PMID: 12575573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
OBJECTIVE To study the effect of Xiongshao Capsule (XS) on vascular remodeling in porcine coronary balloon injury model. METHODS Restenosis model was established by oversized balloon injury at mid-region of the left anterior descending coronary artery. The effect of drugs on late lumen loss and vascular remodeling was evaluated with quantitative histological method by combining results from histopathological analysis and coronary arteriography. RESULTS Vascular remodeling explained (59 +/- 20)% of late lumen loss. All drugs significantly reduced late lumen loss 4 weeks after balloon injury (P < 0.05 or 0.01). Both low-dose and high-dose XS markedly reduced late lumen loss resulting from vascular remodeling, as compared with the control group (P < 0.05 and P < 0.01 respectively). CONCLUSION Vascular remodeling played an important role in late lumen stenosis after balloon injury of coronary artery. XS could significantly inhibit pathological vascular remodeling after balloon injury, thus reduce late lumen loss and prevent restenosis.
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A study on the culture medium antigens of Cystcercus cellulosae for detecting antibodies of cysticercosis by means of ABC-ELISA. THE SOUTHEAST ASIAN JOURNAL OF TROPICAL MEDICINE AND PUBLIC HEALTH 1998; 28 Suppl 1:125-7. [PMID: 9656362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Two antigens of Cysticercus cellulosae, cystic fluid antigen (CFA) and the culture medium antigen (CMA), were used in Avidin-Biotin Peroxdase Complex-ELISA (ABC-ELISA) to detect IgG antibodies in 45 cases of cysticercosis treated with praziquantel. The results revealed the total positive rates as 51.11% with CMA and 82.22% with CFA. The positive rates in the cases treated within 2 courses of treatment were 79.17% for CMA and 87.50% for CFA, and only 19.05% for CMA and 71.43% for CFA in the cases treated for more then 3 courses. The fact that the positive rates decreased as the courses of treatment increased showed that the sensitivity of CMA might be related to the vital conditions of the worms in the body, whether alive or dead. It is, therefore, recommended that CMA has the potential to be employed in ABC-ELISA both as an indicator for diagnosing cysticercosis and as a reference for the evaluation of the treatment.
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[Effect of yuxintong on ECE, NOS gene expression and immunohistochemical studies on cooper-zinc-SOD in ischemic myocardium in experimental dogs]. ZHONGGUO ZHONG XI YI JIE HE ZA ZHI ZHONGGUO ZHONGXIYI JIEHE ZAZHI = CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE 1997; 17:607-10. [PMID: 10322892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
OBJECTIVE To explore the effect of Yuxintong (YXT) on the endothelin converting enzyme (ECE) and the nitric oxide synthase (NOS) gene expression levels and cooper-zinc-superoxide dismutase (SOD) activity. METHODS The acute myocardial ischemia models were reproduced in anesthetized dogs by ligating the left coronary artery at the middle of anterior descending branch. The ECE and NOS gene expressions were observed by in situ hybridization and the cooper-zinc-SOD was studied by immunohistochemical and image analysis. RESULTS It was found that the transfer of ECE mRNA was greatly increased, while that of NOS mRNA was greatly decreased in ischemic my ocardium, but the YXT could enhance the expression levels of NOS mRNA and inhibit the over expression of ECE mRNA in ischemic myocardium in dog. Meanwhile, the cooper-zinc-SOD immunohistochemistry was significantly weakened in ischemic myocardium, but the YXT could evidently increase SOD activity in experimental ischemic myocardium. CONCLUSIONS It suggested that YXT had notable protection on experimental ischemic myocardium and was definitely valuable on prevention and treatment of coronary heart disease.
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[Effect of refined xuefu capsule on mRNA expression of nitric oxide synthase of hypoxic ischemic myocytes evaluated by northern blotting]. ZHONGGUO ZHONG XI YI JIE HE ZA ZHI ZHONGGUO ZHONGXIYI JIEHE ZAZHI = CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE 1996; 16:670-2. [PMID: 9772618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Comparative study on effect of refined Xuefu capsule, Xuefu Zhuyu capsule and diltiazem on mRNA expression of nitric oxide synthase (NOS) and release of LDH-L, CK, GOT of hypoxic hypoglycemic cultured myocytes were studied by using the serum pharmacological method, reverse transcriptase-polymerase chain reaction (RT-PCR) and Northen blotting. It was shown that the three drugs can reduce release of LDH-L,CK,GOT of myocytes (P < 0.01), the effect of refined Xuefu capsule and diltiazem were obvious than that of Xuefu Zhuyu capsule in reducing LDH-L release and NOS mRNA expression (P < 0.01), and effect of refined Xuefu capsule was the strongest (P < 0.01). These findings indicated that all 3 drugs have significant effect in protecting myocytes which related to their effect on NO production of myocyte particularly the refined Xuefu capsule and diltiazem.
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[Clinical observation of wenxin decoction in treating 82 patients with spontaneous angina pectoris]. ZHONGGUO ZHONG XI YI JIE HE ZA ZHI ZHONGGUO ZHONGXIYI JIEHE ZAZHI = CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE 1996; 16:201-3. [PMID: 9206239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
One hundred twenty-two patients with spontaneous angina pectoris (SAP) were randomly divided into treated group (82 cases) and control group (40 cases), and treated with Wenxin decoction and isosorbide dinitrate respectively. Results showed that in treated group the total effective rate of SAP was 95.12% and that of electrocardiographic findings were 74.39%. These results were all superior to those of control group (P < 0.01). Moreover, results of extracorporeal thrombosis test showed after Wenxin decoction treatment, the length of thrombus decreased from 23.56 +/- 5.47 mm to 20.04 +/- 5.17 mm, the wet weight of it decreased from 92.65 +/- 18.45 mg to 76.94 +/- 15.08 mg and the dry weight from 21.76 +/- 7.30 mg to 16.90 +/- 5.35 mg. The submaximal exercise test revealed an increase of exercise time from 474.66 +/- 96.33 seconds to 548.83 +/- 99.93 seconds, increase of acting quantity from 104.16 +/- 19.65 W to 123.61 +/- 24.96 W and a decrease of ST segment depression from 0.183 +/- 0.041 mV to 0.139 +/- 0.038 mV. These results suggested that Wenxin decoction is valuable in treating SAP.
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[A survey of clinical use and research of xuefu zhuyu decoction]. ZHONGGUO ZHONG XI YI JIE HE ZA ZHI ZHONGGUO ZHONGXIYI JIEHE ZAZHI = CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE 1992; 12:447-8 inside backcover. [PMID: 1392500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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[Research on the relation between intrauterine infection and intrauterine growth retardation]. ZHONGHUA FU CHAN KE ZA ZHI 1992; 27:70-2, 123. [PMID: 1327669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
To investigate the relationship between intrauterine infection and IUGR, the following studies have been carried out: (1) measurement of specific antibodies of Toxoplasma (Toxo) and Cytomegalovirus (CMV) in the umbilical serum samples from 30 cases of IUGR with 26 normal newborn infants as controls; (2) follow-up exam on 14 positive cases in 17-25 months. The results showed that in 30 IUGR cases 14 were found to have Toxo and CMV infection, with an incidence significantly higher than that in the control group. One third of the infected patients were found to have retarded growth afterbirth and 63.63% of them appeared to have an increase in BAEP. This suggested that regular follow-up is indicated in these cases.
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Abstract
This paper reports the morphometric analysis results of 100 cases of bladder tumor cells with a Q-900 computer-assisted image analysis system. According to the nuclear area, axis ratio and area ratio of tumor nuclei, bladder transitional cell tumors were divided into 4 grades. This system is called the morphometric grading system (M grading). The results show that the higher the M grading, the lower the survival rate and the higher the recurrence rate. As the M grade increases the tumors could be accompanied by muscular invasion. When recurring, the tumor has a poor prognosis if M grading increases. We conclude that the morphometric grading system is able to yield a quantitative pathologic diagnosis and can predict the biological behavior of bladder tumors. Recently, new techniques for diagnosing and predicting the biological behavior of bladder tumors have been developed. One such technique is morphometric analysis of bladder transitional cell carcinoma with computer-assisted image instruments [1]. Because this morphometric method is easily applicable to pathological section routinely stained with HE and the results are reproducible and more objective, the studies about morphometric analysis of bladder tumor have increased in recent times. This paper reports the preliminary morphometric analysis results of bladder tumor cells examined by a Q-900 image analysis instrument for 100 cases.
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