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- 저자 : Haleh Hosseini (검색결과 4 건)
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Enhanced FCME Thresholding for Wavelet-Based Cognitive UWB over Fading Channels
Haleh Hosseini,Norsheila Fisal,Sharifah Kamilah Syed-Yusof 한국전자통신연구원 2011 ETRI Journal Vol.33 No.6
The cognitive ultra-wideband (UWB) network detects interfering narrowband systems and adapts its configuration accordingly. An inherently adaptive and flexible candidate for cognitive UWB transmission is the wavelet packet multicarrier modulation (WPMCM). In this letter, we use an enhanced forward consecutive mean excision thresholding algorithm to tackle the noise uncertainty in the wavelet-based sensing of WPMCM systems, and mathematical analysis is performed for primary user channel fading. As a benchmark, we compare the proposed system with a conventional fast Fourier transformation-based system, and performance investigation proves significant improvements when primary and secondary links are subjected to multipath fading and noise.
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Integrating Genetic Data into Electronic Health Records: Medical Geneticists’ Perspectives
Haleh Ayatollahi,Seyedeh Fatemeh Hosseini,Morteza Hemmat 대한의료정보학회 2019 Healthcare Informatics Research Vol.25 No.4
Objectives: Genetic disorders are the main causes of many other diseases. Integrating genetic data into Electronic Health Records (EHRs) can facilitate the management of genetic information and care of patients in clinical practices. The aim of this study was to identify the main requirements for integrating genetic data into the EHR system from the medical geneticists’ perspectives. Methods: The research was completed in 2018 and consisted of two phases. In the first phase, the main requirements for integrating genetic data into the EHR system were identified by reviewing the literature. In the second phase, a 5-point Likert scale questionnaire was developed based on the literature review and the results derived from the first phase. Then, the Delphi method was applied to reach a consensus about the integration requirements. Results: The findings of the first phase showed that data elements, including patients’ and healthcare providers’ personal data, clinical and genetic data, technical infrastructure, security issues and functional requirements, should be taken into account before data integration. In the second phase, a consensus was reached for most of the items (mean ≥3.75). The items with a mean value of less than 2.5 did not achieve a consensus and were removed from the final list. Conclusions: The integration of genetic data into the EHRs can provide a ground for increasing accuracy and precision in the diagnosis and treatment of genetic disorders. Such integration requires adequate investments to identify users’ requirements as well as technical and non-technical issues
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Ghaem, Haleh,Amiri, Zahra,Kianpour, Fatemeh,Rezaianzadeh, Abbas,Hosseini, Seyed Vahid,Khazraei, Hajar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.7
Background: The goal of this study was to compare the rate of recurrence and occurrence of complications in colorectal cancer patients after two kinds of laparoscopy and laparotomy. Materials and Methods: A follow-up study was carried out among 358 patients who suffered from colorectal cancer from 2012-2014. The data were gathered from colorectal research center in Shiraz, Shahid Faghihi hospital, and analyzed using the chi-square test, logistic regression, and multinomial regression. Results: The average age of these patients was $56.3{\pm}14.6$, 55.0% being men. Moreover, 57.8% of them underwent laparoscopy surgery and 42.2% of the patients underwent laparotomysurgery and the conversion rate was 58.0% which ultimately was put under the category of laparotomy surgery. After biennial median follow-up, differences in the occurrence of complications such as bleeding (hemorrhage), fever, intestine blockage and wound infection in these two kinds of surgery werestatistically significant (P<0.05). However, the rate of recurrence and the patients' ultimate status (alive without disease, alive with disease, and death) did not significantly differ between these two surgery groups. Conclusions: Post-operation complications were laparoscopy surgery were less than those in laparotomy. However, the outcomes such as patients' ultimate status and recurrence were similar between the two groups.
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Colorectal Cancer Mortality in Shiraz, Iran
Dianatinasab, Mostafa,Ghaem, Haleh,Rezaianzadeh, Abbas,Hosseini, Seysd Vahid,Khazraei, Hajar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.8
Background: Mortality among Iranian patients with colorectal cancer has not been fully examined and the factors associated with their survival are still controversial. This study aimed to determine the mortality rate and its related factors among the patients with colorectal cancer in southwestern regions in Iran. Materials and Methods: This prospective cohort study was conducted on 220 patients with colorectal cancer referred to Fahighi Hospital, Shiraz, Iran from 2009 to 2014. Data were collected from the patients' medical records and were analyzed using Cox regression analysis. Results: Over a median follow-up of 29.3 months, 56 out of the 220 patients (25.5%) died, 32 (14.5%) aged below 40 years, and 45.5% were female. Based on the results of multiple Cox regression analysis, family history of gastrointestinal cancer, stage III, former smoking, type of lesion (fungative and polypoid), and opium use were associated with a greater risk of colorectal cancer mortality (all P<0.05). Conclusions: This cohort study found that the mortality rate of colorectal cancer in Iran is lower than that in European countries. In addition, behavioral and clinical factors were significantly associated with the survival rate. Addressing the related factors would help healthcare providers and physicians provide the best care and improve the survival rate.
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