94 research outputs found
Advanced Laparoscopy
No full textThe present book, published by InTech, has been written by a number of highly outstanding authors from all over the world. Every author provides information concerning treatment of different diseases based on his or her knowledge, experience and skills. The chapters are very useful and innovative. This book is not merely devoted to urology sciences. There are also clear results and conclusions on the treatment of many diseases, for example well-differentiated papillary mesothelioma. We should not forget nor neglect that laparoscopy is in use more extensively than before, and in the future new subjects such as use of laparascopy in treatment of kidney cysts, simple nephrectomy, pyeloplasty, donor nephrectomy and even robotic laparoscopy will be researched further
Advanced Laparoscopy
No full textThe present book, published by InTech, has been written by a number of highly outstanding authors from all over the world. Every author provides information concerning treatment of different diseases based on his or her knowledge, experience and skills. The chapters are very useful and innovative. This book is not merely devoted to urology sciences. There are also clear results and conclusions on the treatment of many diseases, for example well-differentiated papillary mesothelioma. We should not forget nor neglect that laparoscopy is in use more extensively than before, and in the future new subjects such as use of laparascopy in treatment of kidney cysts, simple nephrectomy, pyeloplasty, donor nephrectomy and even robotic laparoscopy will be researched further
Complications and the effect of varicocelectomy on semen analysis, fertility, early ejaculation and spontaneous abortion
No full textVaricocele is still an enigma. Its effects on semen analysis, fertility and, more re-cently, early ejaculation and spontaneous abortion in spouses are not yet fully understood. In this retrospective study, we evaluated these four parameters (semen analysis, fertility, early ejacu-lation and spontaneous abortion among spouses) in relation to varicocele and varicocelectomy during a 13-year period. A total of 1,711 patients with varicocele underwent varicocelectomy by high inguinal method (251 cases), subinguinal method (1,375 cases), scrotal method (34 cases), and subinguinal method with local anesthesia (38 cases). Our complication rate was acceptable. Sperm count, motility and morphology increased three months post operation in 55, 51, and 46%, respectively (P value 0.000, 0.000, and 0.015, respectively). Paternity was 56% after one year of post varicocelectomy follow-up. Only 7 out of 82 azoospermic men had sperm in their semen after varicocelectomy and only one of them with mild spermatogenic hypoplasia became a father. The spontaneous abortion rate in the spouses of respondents was 59%. Early ejaculation improved in 75% of the respondents. In conclusion, varicocelectomy does not improve sperm parameters in all men, but it improves pregnancy rate, early ejaculation, and scrotal pain
Commitment to autogamy in Paramecium blocks mating reactivity: Implications for regulation of the sexual pathway and the breeding system
No full textCommitment to autogamy blocks mating reactivity in Paramecium. Cells which had previously developed mating reactivity, lost reactivity 30–90 min prior to the preautogamous fission. Mating reactivity develops at a standard level of starvation when cells are allowed to exhaust their food supply naturally. In abruptly starved cultures, mating reactivity appears 3.3 h after downshift. Autogamy is also triggered by starvation. The level of starvation required for initiation of autogamy decreases progressively as cells age. When the autogamy starvation threshold drops to such a low level that all cells become committed to autogamy before any of them develop mating reactivity, reactivity does not occur under natural starvation conditions and the period of maturity for conjugation has come to an end. There is no absolute immature period for autogamy.Peer reviewedFinal article publishe
Prognostic value of magnetic resonance spectroscopy in patients with diffuse axonal injury: a systematic literature review
No full textIntroduction: Magnetic resonance spectroscopy (MRS) is an imaging technique that provides spectroscopic information about changes in biological markers. Studies suggest that MRS can be helpful in determining the prognosis of patients with diffuse axonal injury (DAI).Methods: The PubMed and Scopus databases were systematically searched in June 2015 using following search strategy: (“Magnetic resonance spectroscopy” OR MRS OR “MR spectroscopy”) AND [(“Diffuse axonal injury” OR DAI] AND Prognosis) to find relevant articles in which the prognostic value of MRS had been investigated in patients with traumatic DAI. All relevant information was extracted from the identified articles and used to synthesize the data for the purpose of this study.Result: In total, 19 articles were found in PubMed and 151 in Scopus. Of these, eight documents were selected for further data extraction following the application of the inclusion/exclusion criteria. The total number of patients who participated in the research studies described in the selected documents was 197. All of the selected documents showed that MRS can be used to quantitatively assess metabolite changes in patients with DAI.Discussion: The results of the studies indicate that MRS imaging as a sensitive method can quantitatively determine even small variations in metabolites. Any changes in the metabolite level of the brain after traumatic injury may be a useful predictor of a patient’s outcome; therefore, if the sensitivity of MRS is proven, this method can have prognostic value when employed with patients with DAI.Conclusion: Based on the results of this systematic review, MRS is a sensitive tool that is helpful in determining the prognosis of patients with DAI
Compassionate Nursing Care in the Context of Digital Health Technologies: A Scoping Review
No full textBackground: Nurses are increasingly being challenged to preserve compassion while providing care in technologically rich practice environments. While compassion has been examined in the broader nursing literature and much work has been done to enhance nurses’ informatics competency, little is known as to how nurses preserve compassion in the context of digital health practice.
Purpose: This study aimed to explore how compassionate care in the context of digital health is currently being addressed within the nursing literature. A secondary aim was to identify best practices that could be used to inform nursing education and practice toward achieving compassionate care in technologically enabled environments.
Method: A scoping review was conducted using the Arksey and O’Malley’s framework by (1) identifying the research question, (2) identifying relevant studies, (3) selecting relevant studies, (4) extracting data, and (5) reporting the results. A search strategy was formulated and applied to multiple databases including CINAHL Plus with full text, Ovid Medline, Ovid HealthStar, Embase, APAPsychINFO, Scopus, ProQuest Dissertations and Theses, supplemented with a search of organizational reports and a hand search of reference lists of included studies. Eligibility was determined by two reviewers against inclusion and exclusion criteria using a two-stage screening process. Descriptive and content analyses were applied to summarize and report findings in narrative and tabular formats according to the PRISMA-ScR guidelines.
Results: Twenty-eight records were included in this review. Preliminary synthesis of findings revealed three themes: 1) digital health technology, 2) digital health education and competence, and 3) behaviors, values, and actions associated with compassionate care in digital contexts. However, a clear definition of compassionate nursing care in the context of digital health and strategies to support nurses and nursing students in providing and preserving compassionate care remain underdeveloped.
Conclusion: Compassion is an essential component of quality patient-centered care. Future research should aim to articulate the definition of digital health compassion and associated competencies to enhance nurses’ ability to provide and preserve compassionate care in digital health contexts. Specific implications for nursing education, research, practice, and policy were proposed
Gastric Pouch After Simple or Radical Cystectomy for Benign and Malignant Bladder Disease
No full textFasting and Urinary Stones
No full textIntroduction:
Fasting is considered as one of the most important practices of Islam, and according to Prophet Mohammad, fasting is obligatory upon Muslims. The aim of this study is to evaluate the effects of fasting on urinary stones.
Materials and Methods:
Very few studies have been carried out on urinary stones and the effect of Ramadan fasting. The sources of the present study are Medline and articles presented by local and Muslim researchers. Meanwhile, since we are acquainted with three well-known researchers in the field of urology, we contacted them via email and asked for their professional opinions.
Results:
The results of studies about the relationship of urinary stones and their incidence in Ramadan are not alike, and are even sometimes contradictory. Some believe that increased incidence of urinary stones in Ramadan is related not to fasting, but to the rise of weather temperature in hot months, and an increase in humidity.
Conclusion:
Numerous biological and behavioral changes occur in people who fast in Ramadan and some researchers believe that urinary stone increases during this month
LC Ladder Based Orthonormal Filter for Impulse-Radio UWB Pulse Generation.
No full textIn this thesis, a UWB pulse generator is designed to be implemented in IBM 0.13 um technology. The pulse generator has a high spectral efficiency. Using amplitude control, any mismatch, process variation or temperature variation can be compensated for to comply with the UWB FCC mask. The pulse has an approximate duration of 2ns. The current consumption is 13mA per pulse. The power consumption per pulse is 19.5 mW. The next stage can be a power amplifier or an antenna. In case of an antenna, the effect of bond pads and bond wires are taken into account. A challenging aspect of UWB systems is their interference with narrow-band systems. Narrow-band systems send very high power signals compared to the UWB signals and thus may saturate the UWB receiver and/or prevent reliable detection of the UWB pulses. A possible solution to this problem is filtering. In this thesis, a Wireless Local Area Network (WLAN) band rejection filter for UWB applications is designed using IBM 0.13 um technology. A new filter topology is used to implement the filter. This topology has the ability to actively read all the states of an LC filter without using extra inductors. Both AC and impulse responses are presented. The filter has a notch of approximately 14dB. It can operate over the military temperature range (-40 C to 125 C). The effects of mismatch and process variations on this design are acceptable.Microelectronics & Computer EngineeringElectrical Engineering, Mathematics and Computer Scienc
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