Articles

How and who can address sexual reproductive health rights in Tanzania

Published on: 25th April, 2023

Tanzania is allocated in the Eastern part of Africa and it is one among the seven countries that form East African Community (EAC). According to the recent 2022 National Census, Tanzania has a population of 61,741,120 of which 30,053,130 are men and 31,687,990 are women. Currently, the country is implementing Development Vision 2025 which identifies enabling environment essential for the nation to flourish economically, politically and socially. 
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The universal impossibility of photonic quantum nonlocality

Published on: 24th April, 2023

The theoretical concept of photonic quantum nonlocality cannot be implemented physically because of the quantum Rayleigh scattering of single photons. Physical scrutiny of landmark experiments (December 2015, M. Giustina, et al. Phys. Rev. Lett. 115, 250401, and L. K. Shalm, et al., Phys. Rev. Lett. 115, 250402) is undertaken. These articles reported that measured outcomes were fitted with quantum states possessing a dominant component of non-entangled photons, thereby contradicting their own claim of quantum nonlocality. With probabilities of photon detections lower than 0.1%, the alleged quantum nonlocality cannot be classified as a resource for developing quantum computing devices, despite recent publicity. Experimental evidence of a feasible process for quantum-strong correlations has been identified (M. Iannuzzi, et al., Phys. Lett. A, 384 (9), 126200, 2020) in terms of correlations between independent and multi-photon states evaluated as Stokes vectors on the Poincaré sphere. As single-photon sources are not needed, the design and implementation of quantum computing operations and other devices will be significantly streamlined.
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Single brain metastasis as onset of stage I endometrial carcinoma in patient affected by multiple sclerosis: the first case in literature

Published on: 25th April, 2023

Brain metastases in any gynecological cancer are a rare occurrence. Even more so, it is extremely rare for a gynecological malignancy to manifest itself with symptoms indicative of cerebral involvement. Literature regarding the association between MS and cancer is conflicting. We herein report a rare presentation of single metastasis of endometrial carcinoma in a 59-year-old woman affected by Primary Progressive Multiple Sclerosis (PPMS). A head CT scan was performed, which revealed the presence of an expansive lesion in the left parietal region. After careful assessment, a high-grade endometrial carcinoma was diagnosed and a decision was made to remove both the primary lesion and the brain metastasis in one sitting, through a conjoined surgery session involving neurosurgeons and gynecologists. The postoperative course was free from complications up until a few days after being transferred to a rehabilitation center, where she died following respiratory complications.
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Effectiveness of levocetirizine in treating allergic rhinitis while retaining work efficiency

Published on: 25th April, 2023

The manifestation and severity of Allergic rhinitis symptoms show diurnal variation which negatively impacts the patient’s quality of life, day-to-day activities, and productivity at the workplace. The symptoms worsen at night or early morning and therefore administration of levocetirizine towards evening may be more acceptable. Consequently, the present study evaluated the effectiveness of evening Levocetirizine administration on 24-hour symptom control, Physical and mental health, and daytime somnolence in patients with allergic rhinitis the study was a prospective, open-labeled, single-arm, two-center, observational study among patients with allergic rhinitis. Levocetirizine was prescribed as 5 mg or 10 mg once a day evening oral dose for at least 7 days before sleep. The 24-hour total nasal symptom scores (TNSS) for self-reported signs and symptoms of allergic rhinitis were recorded. Additionally, study evaluations included the SF-12 scale (Quality of Life), Stanford Sleepiness Scale (degree of sleepiness), and work productivity and activity impairment (WPAI) questionnaires. These evaluations were performed at baseline (Day 0) and at scheduled intervals of Day 1 (24-hour), Day 3, and Day 7. Results demonstrated that evening administration of Levocetirizine facilitates 24-hour symptom control while having no significant effect on daytime somnolence, daily activities, and the work productivity of patients.
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Quality and quantity of bone at intraoral graft donor sites in type 2 diabetic patients versus healthy controls: A cone-beam computed tomography study

Published on: 28th April, 2023

Objectives: This study aimed to compare the quality and quantity of bone at intraoral autogenous graft donor sites in type II diabetes mellitus (DM) patients versus healthy controls using cone-beam computed tomography (CBCT). Materials and methods: This case-control study was conducted on CBCT scans of 50 DM patients and 50 healthy controls between 20-70 years. Maximum height, width, length, and volume of harvestable bone at the symphysis, ramus, palate, and tuberosity were measured bilaterally. The Hounsfield unit (HU) was also calculated to assess bone quality. The two groups were compared regarding the quality and quantity of harvestable bone using an independent t-test. The effect of confounders was analyzed by the regression model (alpha = 0.05). Results: DM patients had significantly lower harvestable bone volume at the symphysis, ramus, and tuberosity than healthy controls (p < 0.001) but this difference was not significant at the palate (p = 0.957). Also, bone quality was significantly lower at the symphysis, ramus, palate, and tuberosity in DM patients (p < 0.001). Conclusion: Diabetic patients had significantly lower bone quality and quantity at intraoral graft donor sites than healthy controls. Mandibular symphysis had higher bone volume and density than ramus, palate, and tuberosity for graft harvesting in diabetic patients.
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The lateralization pattern has an influence on the severity of ankle sprains

Published on: 28th April, 2023

Study design: Descriptive study.Background: Many risk factors contributing to ankle sprains have been studied in medical literature with coordination and balance being two of the major endogenous factors described. These are influenced by lateralization – a developmental and adaptive ability determined by the asymmetrical construction of the human brain, with cross-laterality referring to mixed limb dominance.Objectives: To determine whether cross lateralization is a risk factor for the severity of ligamentous injuries in ankle sprains since no data is yet available on such correlation. Methods: Two hundred forty-four patients with acute ankle sprains (136 men and 108 women) were prospectively evaluated between April 2006 and March 2009. The mean age was 30 (ranging from 18 to 76). Clinical and ultrasonographic examinations were performed on the study subjects. Laterality was then assessed by the Coren questionnaire and the AOFAS score was calculated. Patients with syndesmotic injuries and fractures were excluded from the study. Those qualified were divided into straight and crossed groups, according to their laterality type. Results: One hundred forty-four patients displayed straight lateralization, while cross-laterality was found in 100 subjects. Patients in the crossed group experienced more multi-ligamentous injuries than those in the straight group (p = 0.02). Following trauma, a higher AOFAS score was attributed to subjects that displayed a straight lateralization pattern, in comparison to subjects presenting with crossed laterality (p = 0.04).Conclusion: Crossed lateralization is associated with higher severity of ligament injuries in ankle sprains and may be considered a risk factor for calcaneofibular ligament injuries.
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Anatomy and biomechanics of the rat knee ligaments

Published on: 27th April, 2023

In this study, the authors systematically examined the anatomical and biomechanical properties of the ligaments in the normal rat knee. These biomechanical data will facilitate the use of the rat knee model for future studies of knee ligament injury, repair, and reconstruction. Fifty-six fresh cadaver male Sprague-Dawley rats, aged 16 weeks, were used for this study, with 48 rats for biomechanical testing and 8 for micro-CT and histological evaluation. Our findings suggest that the gross anatomy of the rat knee joint and ligaments is very similar to humans despite some minor differences and features unique to the rat knee. The patella tendon and ACL are the two strongest soft tissue structures in the rat knee joint, with the highest failure force and stiffness, and both play a role in the anterior stability of the knee. In comparison, the failure force and stiffness of the LCL is half of the MCL, suggesting that other structures, such as the popliteal tendon, may play some role in lateral knee stabilization besides the LCL. In addition, our data suggest that anterior knee stability was improved after ACL reconstruction, but was not fully restored to intact ACL function. In conclusion, our study indicates the anatomical and biomechanical properties of the knee joint and ligaments of rat knees. Then we could confirm a reproducible and realistic rat model of knee ligaments like the clinical cases, and provide a basis for the study of knee ligament biology that simulates techniques used in humans.
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Minimally invasive cytoreductive surgery in advanced ovarian cancer: A nonselected consecutive series of robotic-assisted cases

Published on: 28th April, 2023

The gold standard for advanced-stage ovarian cancer surgery entails exploration via a midline vertical laparotomy. Studies have shown that minimally invasive surgery (MIS) can be a safe and effective method for the surgical management of early ovarian cancer. In some cases, MIS can also be selectively used for cytoreductive surgery in cases with advanced-stage ovarian cancer. The robotic platform has the potential to provide similar outcomes to the laparotomy-based standard of care in advanced complex surgery while accelerating recovery, minimizing morbidity, and reducing perioperative complications. The primary objective of this study was to evaluate surgical and perioperative outcomes in patients with advanced ovarian carcinoma who underwent robotic-assisted cytoreduction. A chart review of a nonselected consecutive series of all patients undergoing surgical management of advanced ovarian cancer between 7/1/2017 and 12/31/2021 was conducted. All patients that were diagnosed with Stage III to IV ovarian cancer between the timeframe underwent robotic-assisted cytoreductive surgery at two urban community teaching hospitals in Los Angeles. Twenty-five patients were identified and included in this study. All surgeries were performed by a single surgeon. Optimal or complete CRS was achieved in 96% of the patients (24 of 25 cases). Seven (28%) underwent primary cytoreduction (PCRS) and 18 (72%) underwent interval cytoreduction (ICRS). The estimated median blood loss was 100 mL (25-500 mL), the median operative time was 5.9 hours (3.1-10.5 hours), and the conversion rate to open laparotomy was 0%. There were no intraoperative complications and the readmission rate within 30 days was 4% (1 patient) for ileus, which was managed conservatively. Currently, 64% of the patients in the case series remain alive. The median survival has not been reached. The median follow-up is 4.08 years. Results presented from this nonselected, consecutive case series illustrate how a minimally invasive robotic approach can be safely used in place of the standard exploratory laparotomy for ovarian cytoreduction.
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Does change in cervical dilation after anesthesia impact latency after cerclage placement?

Published on: 24th April, 2023

Background: Pregnant individuals with early cervical dilation have a high risk for preterm birth. The authors encountered cases where cervical dilation increased after anesthesia administration for a cerclage. Objective: The primary objective was to assess if a change in cervical dilation after anesthesia administration for a cerclage was associated with a shorter latency to delivery. Study design: This was a retrospective chart review of pregnancies from January 1, 2011, to December 31, 2021, who had a cerclage and delivered at our institution. Maternal demographics, obstetrical history, operative details, and delivery information were collected. Multi-fetal gestations, un-indicated cerclages, and abdominal cerclages were excluded. The primary outcome was the difference in cervical dilation between the office and the operating room after spinal anesthesia administration. A multivariable regression was performed. Results: A total of 183 pregnancies were included. The mean gestational age at cerclage placement was 18 weeks (STDEV 3.6). Twenty-nine percent of patients (53/183) were more dilated in the operating room compared to the office The latency between cerclage and delivery was not different if there was a cervical change between these settings (p = 0.655). There was an increased risk for preterm delivery with dilation in the office (OR 1.01, CI 1.01 to 2.5), but not with dilation in the operating room (OR 1.4, CI 0.9 to 2.0). Conclusion: Cervical dilation between the office and the operating room is different. Pregnancies with more dilation delivered at earlier gestations. However, a change in dilation between the office and the operating room was not associated with a shorter latency. 
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A brief evaluation of the concepts of omics, genomics, proteomics and metabolomics in terms of sperm cell

Published on: 24th April, 2023

The ability to live things to transfer their genetic heritage to future generations in a healthy way forms the basis of the science of reproduction. In this sense, understanding the structure and functions of the sperm cell, which is one of the sexual cells, is one of the important issues that should be emphasized. Methods such as omics, genomics, proteomics, and metabolomics, which have been found in research in recent years, are also used to evaluate the functions of the sperm cell.
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