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Amii R, Laveman E, Alvarez S, Garcia A, Chang K, Chiem A. 364 Sonographic Criteria for Cholecystitis Alone Do Not Predict the Need for Emergent Cholecystectomy: A 3-Month Longitudinal Study. Ann Emerg Med 2016. [DOI: 10.1016/j.annemergmed.2016.08.381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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77
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Hsieh MH, Wang SC, Hsieh MY, Huang CF, Yeh ML, Yang JF, Chang K, Lin WR, Lin CY, Chen TC, Huang JF, Dai CY, Tsai JJ, Chuang WL, Yu ML. Hepatitis D virus infections among injecting drug users with and without human immunodeficiency virus infection in Taiwan. Kaohsiung J Med Sci 2016; 32:526-530. [PMID: 27742037 DOI: 10.1016/j.kjms.2016.08.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 08/01/2016] [Accepted: 07/27/2016] [Indexed: 11/19/2022] Open
Abstract
In Taiwan, injecting drug use has been the main route of human immunodeficiency virus (HIV) transmission since 2005, with hepatitis B virus (HBV) and hepatitis D virus (HDV) also having similar transmission routes. This has now become an important public health issue. The aim of this study is to explore the conditions of HDV infections between injecting drug users (IDUs) with and without HIV infection in Southern Taiwan. In this study, 87 IDUs were enrolled, including 27 anti-HDV seronegative IDUs and 60 anti-HDV seropositive IDUs, and the results of their liver function tests, CD4 cell counts, and anti-HIV and HIV RNA levels were analyzed. The prevalence of anti-HDV seropositivity among hepatitis B surface antigen (HBsAg) seropositive IDUs in this study was 68.9% (60/87). The prevalence rate of anti-HDV seropositive IDUs among anti-HIV seronegative and anti-HIV seropositive cases was 40.0% (12/30) and 84.2% (48/57), respectively. Anti-HIV seropositivity was related to anti-HDV seropositivity (odds ratio = 9.34, 95% confidence interval = 2.67-31.59, p < 0.001). Among IDUs with HIV infection, there was no significant difference in CD4 cell counts and HIV RNA viral load between HBsAg-positive patients with anti-HDV seronegativity and those with anti-HDV seropositivity. In conclusion, the prevalence of HDV infection among IDUs is higher among IDUs with HIV infection. Because anti-HIV seropositivity is significantly related to anti-HDV seropositivity, HDV infection among IDUs is still important. We suggest that for IDUs, HBsAg and anti-HDV should be monitored closely.
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Dussaux A, Schoenherr P, Koumpouras K, Chico J, Chang K, Lorenzelli L, Kanazawa N, Tokura Y, Garst M, Bergman A, Degen CL, Meier D. Local dynamics of topological magnetic defects in the itinerant helimagnet FeGe. Nat Commun 2016; 7:12430. [PMID: 27535899 PMCID: PMC4992142 DOI: 10.1038/ncomms12430] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 07/01/2016] [Indexed: 11/24/2022] Open
Abstract
Chiral magnetic interactions induce complex spin textures including helical and conical spin spirals, as well as particle-like objects such as magnetic skyrmions and merons. These spin textures are the basis for innovative device paradigms and give rise to exotic topological phenomena, thus being of interest for both applied and fundamental sciences. Present key questions address the dynamics of the spin system and emergent topological defects. Here we analyse the micromagnetic dynamics in the helimagnetic phase of FeGe. By combining magnetic force microscopy, single-spin magnetometry and Landau–Lifschitz–Gilbert simulations we show that the nanoscale dynamics are governed by the depinning and subsequent motion of magnetic edge dislocations. The motion of these topologically stable objects triggers perturbations that can propagate over mesoscopic length scales. The observation of stochastic instabilities in the micromagnetic structure provides insight to the spatio-temporal dynamics of itinerant helimagnets and topological defects, and discloses open challenges regarding their technological usage. Topological defects may strongly influence the evolution of a materials' micromagnetic structure whilst their manipulation forms the basis for emerging technological concepts. Here, the authors study the depinning and motion of magnetic edge dislocations in the domain structure of helimagnetic FeGe.
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Khatib O, Yokoi K, Brock O, Chang K, Casal A. Robots in Human Environments: Basic Autonomous Capabilities. Int J Rob Res 2016. [DOI: 10.1177/02783649922066501] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This article discusses the basic capabilities needed to enable robots to operate in human-populated environments for accomplishing both autonomous tasks and human-guided tasks. These capabilities are key to many new emerging robotic applications in service, construction, field, underwater, and space. An important characteristic of these robots is the “assistance” ability they can bring to humans in performing various physical tasks. To interact with humans and operate in their environments, these robots must be provided with the functionality of mobility and manipulation. The article presents developments of models, strategies, and algorithms concerned with a number of autonomous capabilities that are essential for robot operations in human environments. These capabilities include: integrated mobility and manipulation, cooperative skills between multiple robots, interaction ability with humans, and efficient techniques for real-time modification of collision-free path. These capabilities are demonstrated on two holonomic mobile platforms designed and built at Stanford University in collaboration with Oak Ridge National Laboratories and Nomadic Technologies.
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Cowan R, Suidan R, Andikyan V, Rezk Y, Einstein H, Chang K, Zivanovic O, Gardner G, Sonoda Y, Chi D. Electronic patient-reported outcomes from home in patients recovering from major gynecologic cancer surgery: A prospective study measuring symptoms and health-related quality of life. Gynecol Oncol 2016. [DOI: 10.1016/j.ygyno.2016.04.455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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81
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Chang K, Kim M, Kwak J, Kim S, Ji Y, Cho B, Yoon S, Lee S. SU-F-T-580: New Tumor Modeling Using 3D Gel Dosimeter for Brain Stereoctactic Radiotherpy (SRT). Med Phys 2016. [DOI: 10.1118/1.4956765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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82
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Boss JM, Chang K, Armijo J, Cujia K, Rosskopf T, Maze JR, Degen CL. One- and Two-Dimensional Nuclear Magnetic Resonance Spectroscopy with a Diamond Quantum Sensor. PHYSICAL REVIEW LETTERS 2016; 116:197601. [PMID: 27232045 DOI: 10.1103/physrevlett.116.197601] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Indexed: 06/05/2023]
Abstract
We report on Fourier spectroscopy experiments performed with near-surface nitrogen-vacancy centers in a diamond chip. By detecting the free precession of nuclear spins rather than applying a multipulse quantum sensing protocol, we are able to unambiguously identify the NMR species devoid of harmonics. We further show that, by engineering different Hamiltonians during free precession, the hyperfine coupling parameters as well as the nuclear Larmor frequency can be selectively measured with up to five digits of precision. The protocols can be combined to demonstrate two-dimensional Fourier spectroscopy. Presented techniques will be useful for mapping nuclear coordinates in molecules deposited on diamond sensor chips, en route to imaging their atomic structure.
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Wang SF, Wang WH, Chang K, Chen YH, Tseng SP, Yen CH, Wu DC, Arthur Chen YM. Severe dengue type one outbreak in Taiwan in 2014. J Virus Erad 2016. [DOI: 10.1016/s2055-6640(20)31217-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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84
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Hsieh MH, Hsieh MY, Huang CF, Yeh ML, Wang SC, Yang JF, Chang K, Lin WR, Lin CY, Chen TC, Huang JF, Dai CY, Tsai JJ, Chuang WL, Yu ML. Anti-HIV seropositivity was related to HBsAg seropositivity among injecting drug users in Taiwan. Kaohsiung J Med Sci 2016; 32:96-102. [PMID: 26944329 DOI: 10.1016/j.kjms.2016.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/04/2016] [Accepted: 01/06/2016] [Indexed: 12/19/2022] Open
Abstract
In Taiwan, the number of new cases of human immunodeficiency virus (HIV) infection via drug injection has been increasing since 2003. Due to HIV and hepatitis B virus (HBV) having similar transmission routes, HBV and HIV infections among injecting drug users (IDUs) has become an important public health issue. The aim of this study was explore the prevalence of HBV infection among IDUs with and without HIV infection, and examine whether HIV infection is associated with HBV infection among IDUs in Southern Taiwan. We enrolled 566 IDUs, including 87 anti-HBV positive IDUs and 479 anti-HBV negative IDUs, and also analyzed the results of liver function tests, HBV DNA, anti-HIV, HIV RNA, and CD4 cell count. The results showed that the prevalence of HBV infection among IDUs was 15.4%. The prevalence of hepatitis B surface antigen (HBsAg) was higher among individuals born before 1985 (15.9% vs. 4.0%), but this was not significant. Anti-HIV seropositivity was related to HBsAg seropositivity [odds ratio (OR) = 2.47, 95% confidence interval = 1.26-4.82, p = 0.008). Anti-HCV and anti-HIV were risk factors for abnormal alanine aminotransferase (ALT; OR = 2.11, 95% confidence interval = 1.005-4.42, p = 0.048 and OR = 1.47, 95% confidence interval = 1.02-2.10, p = 0.04, respectively), and HBsAg was not a factor related to abnormal ALT. In conclusion, the prevalence of HBV infection was similar in the general population and in IDUs, and due to anti-HIV seropositivity being significantly related to HBsAg seropositivity, HBV infection among IDUs is still important. We suggest that for IDUs, HBsAg should be monitored closely.
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Wang SF, Wang WH, Chang K, Chen YH, Tseng SP, Yen CH, Wu DC, Chen YMA. Severe Dengue Fever Outbreak in Taiwan. Am J Trop Med Hyg 2015; 94:193-7. [PMID: 26572871 DOI: 10.4269/ajtmh.15-0422] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 10/07/2015] [Indexed: 11/07/2022] Open
Abstract
Dengue fever (DF) is a vector-borne disease caused by dengue viruses (DENVs). Epidemic dengue occurs intermittently in Taiwan. In 2014, Taiwan experienced its largest DF outbreak. There were 15,732 DF cases reported. There were a total of 136 dengue hemorrhagic fever (DHF) cases, of which 20 resulted in death. Most DF cases were reported in southern Taiwan. A total of 15,043 (96%) cases were from Kaohsiung, a modern city in southern Taiwan. This report reviews DF epidemics in Taiwan during 2005-2014. The correlation between DF and DHF along with temperature and precipitation were conjointly examined. We conclude that most dengue epidemics in Taiwan resulted from imported DF cases. Results indicate three main factors that may have been associated with this DF outbreak in Kaohsiung: an underground pipeline explosion combined with subsequent rainfall and higher temperature. These factors may have enhanced mosquito breeding activity, facilitating DENV transmission.
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86
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Ugurluer G, Chang K, Gamez M, Mayeda M, Sio T, Miller R. Genomic Profiling of Head and Neck Adenoid Cystic Carcinomas by Next-Generation Sequencing: Potential New Routes to Targeted Therapies. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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87
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Ugurluer G, Chang K, Mayeda M, Gamez M, Arnett A, Jayakrishnan R, Anderson B, Sio T, Miller R. A Comprehensive Genome-Based Mutational Analysis by Next Generation Sequencing Technology in Patients With Malignant Pleural and Peritoneal Mesothelioma. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.444] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Chang K, Lee JT, Soljak M, Majeed A, Millett C. Impact of the NHS Health Check on global cardiovascular risk, individual risk factors and prescribing. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv171.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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89
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Chen SC, Su HM, Huang JC, Chang K, Tsai YC, Chen LI, Chang JM, Hwang SJ, Chen HC. Association of P-Wave Dispersion with Overall and Cardiovascular Mortality in Hemodialysis Patients. Am J Nephrol 2015; 42:198-205. [PMID: 26422319 DOI: 10.1159/000440776] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 08/13/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS The P-wave parameters that are measured using a 12-lead electrocardiogram are commonly used as noninvasive tools for assessing left atrial enlargement. This study was designed to assess whether P-wave dispersion is associated with overall and cardiovascular mortality in hemodialysis patients. METHODS This study enrolled 209 hemodialysis patients. We measured the P-wave dispersion corrected by heart rate, that is, the corrected P-wave dispersion (PWdisperC), and assessed its correlation with overall and cardiovascular mortalities. RESULTS The mean PWdisperC of all the patients was 93.3 ± 21.1 ms. During the follow-up period (mean 5.4 years), 58 deaths and 37 cardiovascular deaths were recorded. The adjusted value of PWdisperC was also associated with overall (hazards ratio (HR) 1.018, 95% CI 1.004-1.033, p = 0.014) and cardiovascular (HR 1.032, 95% CI 1.012-1.053, p = 0.002) mortalities. Multivariate Cox regression analysis identified tertile 3 of PWdisperC (vs. tertile 1) to be associated with overall (HR 2.472, 95% CI 1.181-5.174, p = 0.016) and cardiovascular (HR 3.896, 95% CI 1.463-10.376, p = 0.007) mortalities, after adjustment for demographic, clinical and biochemical parameters. Adding PWdisperC to a model of clinical features could significantly improve the predictive value for overall (p = 0.044) and cardiovascular (p = 0.002) mortalities. CONCLUSIONS We concluded that PWdisperC was positively associated with overall and cardiovascular mortalities in hemodialysis patients and could provide additional prognostic values. Screening hemodialysis patients by using PWdisperC may facilitate identifying a group of patients with poor prognosis.
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Wang HC, Chang K, Lu PL, Tsai KB, Chen HC. Fatal invasive aspergillosis: a rare co-infection with an unexpected image presentation in a patient with dengue shock syndrome. CLINICAL RESPIRATORY JOURNAL 2015; 11:248-253. [DOI: 10.1111/crj.12323] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 04/23/2015] [Accepted: 05/14/2015] [Indexed: 11/30/2022]
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91
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Arnett A, Chang K, Sio T, Miller R. PO-0696: Mutational analysis by next generation sequencing in patients with biliary and pancreatic adenocarcinoma. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)40688-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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92
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Chang K, Lee NY, Ko WC, Tsai JJ, Lin WR, Chen TC, Lu PL, Chen YH. Identification of factors for physicians to facilitate early differential diagnosis of scrub typhus, murine typhus, and Q fever from dengue fever in Taiwan. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2014; 50:104-111. [PMID: 25648664 DOI: 10.1016/j.jmii.2014.12.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2014] [Revised: 09/30/2014] [Accepted: 12/09/2014] [Indexed: 11/17/2022]
Abstract
BACKGROUND Dengue fever, rickettsial diseases, and Q fever are acute febrile illnesses with similar manifestations in tropical areas. Early differential diagnosis of scrub typhus, murine typhus, and Q fever from dengue fever may be made by understanding the distinguishing clinical characteristics and the significance of demographic and weather factors. METHODS We conducted a retrospective study to identify clinical, demographic, and meteorological characteristics of 454 dengue fever, 178 scrub typhus, 143 Q fever, and 81 murine typhus cases in three Taiwan hospitals. RESULTS Case numbers of murine typhus and Q fever correlated significantly with temperature and rainfall; the scrub typhus case number was only significantly related with temperature. Neither temperature nor rainfall correlated with the case number of dengue fever. The rarity of dengue fever cases from January to June in Taiwan may be a helpful clue for diagnosis in the area. A male predominance was observed, as the male-to-female rate was 2.1 for murine typhus and 7.4 for Q fever. Multivariate analysis revealed the following six important factors for differentiating the rickettsial diseases and Q fever group from the dengue fever group: fever ≥8 days, alanine aminotransferase > aspartate aminotransferase, platelets >63,000/mL, C-reactive protein >31.9 mg/L, absence of bone pain, and absence of a bleeding syndrome. CONCLUSION Understanding the rarity of dengue in the first half of a year in Taiwan and the six differentiating factors may help facilitate the early differential diagnosis of rickettsial diseases and Q fever from dengue fever, permitting early antibiotic treatment.
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Denoya PI, Fakhoury M, Chang K, Fakhoury J, Bergamaschi R. Dearterialization with mucopexy versus haemorrhoidectomy for grade III or IV haemorrhoids: short-term results of a double-blind randomized controlled trial. Colorectal Dis 2014; 15:1281-8. [PMID: 23711288 DOI: 10.1111/codi.12303] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 01/23/2013] [Indexed: 12/24/2022]
Abstract
AIM There is scepticism regarding anatomical rationale and Doppler guidance for ligation of haemorrhoidal arteries. The null hypothesis of this randomized controlled trial (RCT) was that there is no difference in pain following dearterialization or haemorrhoidectomy for grade III/IV internal haemorrhoids in a minimum of three quadrants. METHOD This was a single-centre, double-blind RCT. Patients were allocated to dearterialization or haemorrhoidectomy. Included haemorrhoids were grade III, prolapsing but reducible; and grade IV, chronic non-incarcerated. The primary end-point was pain. Patients with external component, acute incarcerated grade IV or recurrent haemorrhoids were not included. The interventions were dearterialization (with Doppler guidance and mucopexy) or haemorrhoidectomy. The main outcome measure was the Brief Pain Inventory (BPI). RESULTS Twenty dearterialization patients were comparable to 20 haemorrhoidectomy patients for age (P = 0.107), body mass index (P = 0.559), race (P = 0.437), American Society of Anesthesiology score (P = 0.569), comorbidities (P = 0.592), grade (P = 0.096), quadrants (P = 0.222), Fecal Incontinence Quality-of-Life Score (FIQOL; P = 0.388), coping (P = 0.532), depression (P = 0.505), embarrassment (P = 0.842), and Short Form Health Survey (SF-12) physical components (P = 0.337), SF-12 mental components (P = 0.396) and constipation (P = 0.628) scores. Dearterialization patients had shorter operative time (36 vs 54 min, P = 0.043) with less pain (P = 0.011) and urinary retention (P = 0.012). Dearterialization patients had first bowel movement earlier (1.3 vs 4.6 days, P = 0.001), less pain (P = 0.011) and lower pain intensity (P = 0.001). Narcotic requirements were reduced in dearterialization patients (25% vs 100%, P = 0.001), with less medication (4.9 vs 112 pills, P = 0.001) and shorter regimen (0 vs 7 days, P = 0.001). BPI did not differ on days 1, 3, 5, 7 and 14 except for less pain in dearterialization patients. At 3 months, symptomatic relief was the same with no differences in BPI, FIQOL or SF-12. CONCLUSION Compared with haemorrhoidectomy, dearterialization led to less pain in grade III/IV haemorrhoids.
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Cheng YC, Huang CH, Lin WR, Lu PL, Chang K, Tsai JJ, Bojang KS, Lin CY, Chen YH. Clinical outcomes of septic patients with diabetic ketoacidosis between 2004 and 2013 in a tertiary hospital in Taiwan. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2014; 49:663-671. [PMID: 25442866 DOI: 10.1016/j.jmii.2014.08.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 08/17/2014] [Accepted: 08/26/2014] [Indexed: 02/05/2023]
Abstract
BACKGROUND Infection is the most common predisposing factor for diabetic ketoacidosis (DKA); however, studies are rare that have investigated the clinical outcomes of septic patients with infection-precipitated DKA. METHODS A retrospective cohort study was conducted at a tertiary hospital from 2004 to 2013. Patients with DKA in whom the presence of a predisposing infection was confirmed were enrolled. Characteristics at initial presentation, primary infection sources, and causative microorganisms were compared between the nonacute kidney injury (non-AKI) group and acute kidney injury (AKI) group at each stage. Risk factors for the development of failure-stage AKI and its outcomes were also analyzed. RESULTS One hundred and sixty DKA episodes were assessed. The most common infection sites were the urinary and respiratory tracts. The leading causative microorganism was Escherichia coli, followed by Klebsiella pneumoniae. A complicated/severe infection state [odds ratio (OR), 15.27; p < 0.001] and a high level of C-reactive protein (OR, 1.012; p < 0.001) were independently associated with bacteremia. Corrected sodium (Na; OR, 1.062; p = 0.039), initial plasma glucose (OR, 1.003; p = 0.041), severe grade of DKA (OR, 13.41; p = 0.045), and the Acute Physiology and Chronic Health Evaluation (APACHE) II score (OR, 1.08; p = 0.033) were identified as independent risk factors for the development of failure-stage AKI among septic patients with infection-precipitated DKA. Patients with failure-stage AKI had a higher frequency of incomplete recovery of renal function (20.4% of patients in failure vs. 5.9% of patients in risk and injury, p = 0.009). Bacteremia independently predicted the absence of complete recovery of renal function (OR, 5.86; p = 0.038). CONCLUSION For patients with infection-precipitated DKA, the clinician should aggressively monitor renal function if a patient presents with risk factors associated with failure-stage AKI. Furthermore, bacteremia predicts a poor renal prognosis.
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Vu C, Sio T, Chang K, Miller R, Garces Y, Park S, Nelson K, Sloan J, Olivier K. Baseline Patient-Reported Quality of Life Is Not Related to Overall Survival in Patients Receiving Stereotactic Body Radiation Therapy for Thoracic Malignancies: A Preliminary Report. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.08.273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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96
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Chang K, Millett C, Soljak M, Majeed A. National coverage of the English NHS Health Check programme. Eur J Public Health 2014. [DOI: 10.1093/eurpub/cku165.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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97
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Tung YJ, Bittaye SO, Tsai JR, Lin CY, Huang CH, Chen TC, Lin WR, Chang K, Lai CC, Lu PL, Chen YH. Risk factors for microbiologic failure among Taiwanese adults with Mycobacterium abscessus complex pulmonary disease. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2014; 48:437-45. [PMID: 25440976 DOI: 10.1016/j.jmii.2014.08.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 08/05/2014] [Accepted: 08/07/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND The Mycobacterium abscessus complex is a common cause of pulmonary nontuberculous mycobacteria infections in Taiwan. We examined the risk factors associated with treatment outcome in Taiwanese adults with pulmonary disease caused by the M. abscessus complex. METHODS We retrospectively reviewed the records of all patients from a southern Taiwan medical center from 2006 to 2012 who had respiratory specimens identified as M. abscessus complex and met the American Thoracic Society criteria for pulmonary disease. RESULTS Of the 106 included patients, females (58.5%) and nonsmokers (79.2%) predominated. The mean age of patients was 64.8 years. Sixty-three patients (59.4%) had pre-existing lung disease. Previous mycobacterial pulmonary disease (34.9%) was the most common underlying disorder. Chest radiography indicated that bronchiectasis was common (47.2%) and that cavitations were less common (14.2%). Fifty-six patients received antibiotic treatment. Clinicians were more likely to prescribe antibiotics if the initial sputum acid-fast staining was positive (p < 0.001). Treatment outcome was analyzed in 26 patients who were treated for more than 3 months; three of these patients (11.5%) had clinical failure and 18 (69.2%) experienced sputum conversion. Patients with cavitary lesions were more likely to experience microbiologic failure (p = 0.02). Nine patients had positive cultures after antibiotic treatment for > 1 year. Previous mycobacterial pulmonary disease (p = 0.011) and cavitary lesion (p = 0.034) are risk factors for persistence of M. abscessus complex. CONCLUSION With antimicrobial therapy, previous mycobacterial disease, and cavitary lesion are associated with microbiologic failure in Taiwanese adults with M. abscessus complex pulmonary disease.
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Sio T, Shah N, Swanson K, Inselman J, Ashman J, Kreofsky C, Chang K, Buchholtz L, Baker M, Miller R. Temporal and Geographic Variation of Intensity Modulated Radiation Therapy (IMRT) Utilization in Patients With Colorectal Cancer: A SEER-Medicare–Based Analysis. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1748] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Chang K, James S, Merrell K, Sio T, Lester S, Patel A, Cai Y, Miller R. Radiation Toxicity in Patients With Scleroderma, Discoid, and Systemic Lupus Erythematosus: A Retrospective 26-Year Single-Institutional Study. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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100
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Cho K, Min C, Jung J, Lee S, Lee S, Huh H, Cho S, Shim J, Chang K, Kim W, Yong Ho K, Moon S, Kim E, Yeo S, Kwon S. Dosimetric Evaluation Using MVCT Images for Adapted Plan-Dose Monitoring in Tomotherapy. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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