Mirror-symmetry violation in bound nuclear ground states.

Conservation laws are deeply related to any symmetry present in a physical system1,2. Analogously to electrons in atoms exhibiting spin symmetries3, it is possible to consider neutrons and protons in the atomic nucleus as projections of a single fermion with an isobaric spin (isospin) of t = 1/2 (ref. 4). Every nuclear state is thus characterized by a total isobaric spin T and a projection Tz-two quantities that are largely conserved in nuclear reactions and decays5,6. A mirror symmetry emerges from this isobaric-spin formalism: nuclei with exchanged numbers of neutrons and protons, known as mirror nuclei, should have an identical set of states7, including their ground state, labelled by their total angular momentum J and parity π. Here we report evidence of mirror-symmetry violation in bound nuclear ground states within the mirror partners strontium-73 and bromine-73. We find that a J π = 5/2- spin assignment is needed to explain the proton-emission pattern observed from the T = 3/2 isobaric-analogue state in rubidium-73, which is identical to the ground state of strontium-73. Therefore the ground state of strontium-73 must differ from its J π = 1/2- mirror bromine-73. This observation offers insights into charge-symmetry-breaking forces acting in atomic nuclei.

Periodontitis and Diabetes: How Well the Patients have Knowledge about the Established Interrelationship?

Background Type 2 diabetes is an escalating health problem in Nepal and it holds a strong bidirectional Inter relationship with periodontitis. However, lack of its knowledge and motivation among patients may deteriorate and complicate their condition. Objective To assess knowledge among general population regarding the relation between diabetes and periodontitis and to evaluate the role of dentists and physicians in suggesting the diabetic patients for oral health care. Method A cross-sectional study was conducted among the patients visiting Department of Periodontics, Gandaki Medical College. A total 422 patients were interviewed using a set of pretested questionnaire and at the end they were counselled about the impact of diabetes mellitus on periodontal status and vice versa. Result Majority of the patients 257 (60.9%) had no idea about the interrelation between periodontitis and diabetes mellitus. Almost all the patients 363 (86.02%) assumed that poor oral health cannot increase the risk of developing diabetes and amongst those who had knowledge about this relation, the major source of information was their diabetic friends and relatives 46 (10.9%) and other sources such as syllabus 46 (10.9%). Only handful of patients 30 (7.10%) were informed about the relation by their dentist. Ironically, none of them were provided information about the interrelation by their treating physician. Conclusion Overall, only few participants had knowledge about the bidirectional relation between periodontitis and diabetes. Hence, our findings support the greater need for more targeted and specific health education along with close collaboration between dentists and physicians.

Molecular Epidemiology of Third-Generation-Cephalosporin-Resistant Enterobacteriaceae in Southeast Queensland, Australia.

Third-generation cephalosporin-resistant (3GC-R) Enterobacteriaceae represent a major threat to human health. Here, we captured 288 3GC-R Enterobacteriaceae clinical isolates from 264 patients presenting at a regional Australian hospital over a 14-month period. In addition to routine mass spectrometry and antibiotic sensitivity testing, isolates were examined using rapid (∼40-min) real-time PCR assays targeting the most common extended-spectrum ß-lactamases (ESBLs; blaCTX-M-1 and blaCTX-M-9 groups, plus blaTEM, blaSHV, and an internal 16S rRNA gene control). AmpC CMY ß-lactamase (blaCMY) prevalence was also examined. Escherichia coli (80.2%) and Klebsiella pneumoniae (17.0%) were dominant, with Klebsiella oxytoca, Klebsiella aerogenes, and Enterobacter cloacae infrequently identified. Ceftriaxone and cefoxitin resistance were identified in 97.0% and 24.5% of E. coli and K. pneumoniae isolates, respectively. Consistent with global findings in Enterobacteriaceae, most (98.3%) isolates harbored at least one ß-lactamase gene, with 144 (50%) harboring blaCTX-M-1 group, 92 (31.9%) harboring blaCTX-M-9 group, 48 (16.7%) harboring blaSHV, 133 (46.2%) harboring blaTEM, and 34 (11.8%) harboring blaCMY genes. A subset of isolates (n = 98) were subjected to whole-genome sequencing (WGS) to identify the presence of cryptic resistance determinants and to verify genotyping accuracy. WGS of ß-lactamase-negative or carbapenem-resistant isolates identified uncommon ESBL and carbapenemase genes, including blaNDM and blaIMP, and confirmed all PCR-positive genotypes. We demonstrate that our PCR assays enable the rapid and cost-effective identification of ESBLs in the hospital setting, which has important infection control and therapeutic implications.

Laboratory Approach to the Diagnosis of Culture-Negative Infective Endocarditis.

Blood-culture negative endocarditis (BCNE) accounts for up to 35% of all cases of infective endocarditis (IE) and is a serious life-threatening condition with considerable morbidity and mortality. Rapid detection and identification of the causative pathogen is essential for timely, directed therapy. Blood-culture negative endocarditis presents a diagnostic and therapeutic challenge. Causes of BCNE are varied including: treatment with antibiotic agents prior to blood culture collection; sub-optimal specimen collection; and/or infection due to fastidious (eg. nutritionally variant streptococci), intracellular (eg. Coxiella burnetii, Bartonella species) or non-culturable or difficult to culture organisms (eg. Mycobacteria, Tropheryma whipplei and fungi); as well as non-infective aetiologies. Here, we review aetiological and diagnostic approaches to BCNE including newer molecular based techniques, with a brief summary of imaging investigation and treatment principles.

Comparative Analysis of Stereotactic Radiation Therapy and Conventional Radiation Therapy in Cancer Pain Control: A Systematic Review and Meta-Analysis.

AIMS: Approximately 55% of patients diagnosed with primary or metastatic cancer endure pain directly attributable to the disease. Consequently, it becomes imperative to address pain management through a comparative analysis of stereotactic radiotherapy (SRT) and conventional radiation therapy (CRT), especially in light of the less efficacious improvement achieved solely through pharmacological interventions. MATERIALS AND METHODS: A systematic exploration was undertaken on PubMed, the Cochrane Library, and Elsevier's ScienceDirect databases to identify studies that compare Stereotactic Radiotherapy to Conventional radiation therapy for pain management in individuals with metastatic bone cancer. The analyses were executed utilizing the random-effects model. RESULTS: A cohort of 1152 participants with metastatic bone cancer was analyzed, demonstrating significantly higher complete pain relief in the Stereotactic Radiotherapy group during both early and late follow-up (RR: 1.61; 95% CI: 1.17, 2.23, p-value: 0.004; I2: 0%). Stereotactic Radiotherapy also showed a non-significant increase in the incidence of partial pain relief (RR: 1.07; 95% CI: 0.85, 1.34, p-value: 0.56; I2: 18%). Furthermore, Stereotactic Radiotherapy was associated with a significantly reduced risk of stationary pain throughout follow-up (RR: 0.61; 95%CI: 0.48, 0.76, p-value: <0.0001; I2: 0. The incidence of progressive pain was non-significantly reduced with Stereotactic Radiotherapy during both early and late follow-up (RR: 0.77; 95% CI: 0.50, 1.17, p-value: 0.22; I2: 0%). Secondary outcomes exhibited a non-significant trend favoring Stereotactic Radiotherapy for dysphagia, esophagitis, pain, and radiodermatitis, while a non-significant increase was observed for nausea, fatigue, and vertebral compression fracture. CONCLUSION: In summary, stereotactic radiation therapy (SRT) has improved in achieving complete pain relief while exhibiting a decreased probability of delivering stationary pain compared to conventional radiation therapy (CRT). Nevertheless, it is crucial in future research to address a noteworthy limitation, specifically, the risk of vertebral compression fracture.

Coccidioidomycosis in returned Australian travellers.

Coccidioidomycosis is a fungal infection caused by Coccidioides species. The disease has wide clinical presentation and a distinct geographical distribution. We describe two cases of coccidioidomycosis in returned Australian travellers who presented to Nambour Hospital. Knowledge of the international geographical distribution of endemic fungal infections and their clinical manifestations can assist in earlier diagnosis and appropriate management.

Characteristics and outcomes of hospitalised inpatients with indwelling urinary catheter-a retrospective study from a large regional hospital in Queensland.

BACKGROUND: Indwelling urinary catheters (IDCs) are a common invasive device in hospitalised patients. Their use is associated with increased risks of developing catheter associated urinary tract infections (CAUTI), and blood stream infections (BSI). AIMS: To examine the characteristics and outcomes of adult inpatients with an IDC inserted in hospital and identify risk factors for developing CAUTI and BSI. METHODS: We performed a retrospective observational study of 430 patients with IDC admitted to medical and surgical units of a leading (tertiary) hospital between Nov 2019 till April 2020. Multiple logistic regression analysis was performed to determine independent risk factors for developing urinary tract infection and blood stream infection. RESULTS: The prevalence of CAUTI in our study was 7.4%. Results of multiple logistic regression indicated that with each day of IDC in situ, the likelihood of UTI development increased by 9% (OR 1.09; 95% CI 1.00 to 1.18; p = 0.03). Age, gender, and catheter reinsertion were not associated with UTI development. CONCLUSIONS: Longer duration of IDC was associated with elevated risk of developing CAUTI. CAUTI rates were higher than some of those previously published. There was no statistical significance in frequency of CAUTI between medical and surgical patients. No statistically significant variables that contributed to the development of BSI were found. Interventions targeted at reducing catheter days should be used to improve CAUTI rates.

Neutron-upscattering enhancement of the triple-alpha process.

The neutron inelastic scattering of carbon-12, populating the Hoyle state, is a reaction of interest for the triple-alpha process. The inverse process (neutron upscattering) can enhance the Hoyle state's decay rate to the bound states of 12C, effectively increasing the overall triple-alpha reaction rate. The cross section of this reaction is impossible to measure experimentally but has been determined here at astrophysically-relevant energies using detailed balance. Using a highly-collimated monoenergetic beam, here we measure neutrons incident on the Texas Active Target Time Projection Chamber (TexAT TPC) filled with CO2 gas, we measure the 3α-particles (arising from the decay of the Hoyle state following inelastic scattering) and a cross section is extracted. Here we show the neutron-upscattering enhancement is observed to be much smaller than previously expected. The importance of the neutron-upscattering enhancement may therefore not be significant aside from in very particular astrophysical sites (e.g. neutron star mergers).

Branch retinal arterial occlusion.

Retinal arterial occlusion is an ocular emergency in which visual prognosis is poor mostly due to late presentation of the patient and macular involvement. The casee described, in this report is ane incidence of Branch Retinal Arterial Occlusion in a 22 year old female with grade II Mitral Regurgitation. The patiente presented witha complaint of painless, diminution of vision in the right eyn. She also presented with perception of black shadow in the superior visual fiel n of the same eye5 for five days. There was no significant systemic ord personal history. Her visual acuity at presentation was 6/60 and 6/6 in the right and left eyes,y which did not improve with glasses or pin-hole. Anterior segment including papillary reaction was normal in both eyes while Fundus examination of the right eye revealed retinal whitening inside the inferotemporal vascular arcade that was encroaching foveolar avascular zone. Visual field defect was detected at superonasally inside arhade but Fundus Fluorescence Angiography was normal. An echoycardiograph revealed grade II Mitral Regurgitation. The patient was kept on observation and after two2 days of follow-up, vision in the right eye was improved to 6/6 unaided but visual field defect was remained same.

Metallic vaginal ring pessary: a rare entity.

Vaginal pessaries still have role in the management of uterovaginal prolapse especially in elderly women, unfit for surgery and as a temporary relief for women waiting for surgery. Forgotten vaginal pessaries may cause serious complications. We here by present a case wtih metallic vaginal ring pessary for 16 years without significant symptoms.

Study of Infertile Couples Attending a Teaching Hospital in Eastern Nepal.

INTRODUCTION: Infertility is a global health issue and a socially destabilizing condition for couples with several stigmas including medical, social, psychological burdens and a marital disharmony. The aim was to study the incidence of infertility in couples attending outdoor of Nobel Medical College and to know the contributing factors among the infertile couples. METHODS: A prospective cross-sectional study was carried out in the outpatient department of a teaching hospital July 2015-June 2016, where the incidence of infertility and the contributing factors for the same were evaluated. RESULTS: The incidence of infertility in this study was 5.45% and it was dominated by secondary infertility. The most important cause was male factor in 37.39%. Majority of male factor abnormality was due to exposure to heat as these male work abroad in Arabian Countries. CONCLUSIONS: The study shows a dominance of secondary infertility and male factor being a major contributor. The most common semen abnormality was oligospermia.

Myomectomy Revisited: Experiences in a Teaching Hospital.

INTRODUCTION: Uterine myomas are the most common benign tumors of the female reproductive tract with myomectomy being one of the major modalities of the treatment in our set up. The aim of this study was to share the experiences of open myomectomy from a Teaching Hospital. METHODS: A observational study was conducted from a records of myomectomy cases in the department of Obstetrics and Gynaecology at Nobel Medical College teaching Hospital from June 2014- May 2016. RESULTS: Total 38 cases of myomectomy were performed during the study period in the women most commong age group being 35-39 years, followed by 30-34. The most common presenting symptoms was abnormal uterine bleeding in 15 (39.47%) followed by mass per abdomen in 10 (26.31%). The most common location of the myoma was intramural followed by subserosal, submucus. Degeneration was also noted in majority of the cases. All the myomectomies were done with Inj Vasopressin injected paracervically except in one case where tourniquet was used. None of the patients had significant post-operative morbidity except fever in the first 24 hours. CONCLUSIONS: Abdominal myomectomy is a safe and effective procedure for uterine myomas for infertile women in the past but it should be offered to those desiring for uterine preservation irrespective of age and reproductive status.

Antimicrobial susceptibility patterns of clinical isolates of Staphylococcus aureus in Nepal.

Isolates of Staphylococcus aureus (n = 117) from patients attending a tertiary care centre in western Nepal were tested for susceptibility to penicillin, oxacillin, gentamicin, erythromycin and ciprofloxacin. Eighteen (15.4%) were methicillin-resistant. Susceptibility among methicillin-resistant isolates varied from 0% (penicillin) to 16.6% (erythromycin and gentamicin), but varied among methicillin-susceptible isolates from 39.4% (penicillin) to 97.0% (ciprofloxacin). Fourteen (77.8%) of the methicillin-resistant isolates were resistant to all agents tested. Implementation of an appropriate antibiotic policy would reduce the risk of further development of antimicrobial resistance.

Folie a Deux.

Shared psychotic disorder is a rare psychiatric disorder. It is defined when a primary psychotic person imposes his/her delusional beliefs to the other person usually in a close relationship. Occurrence of this disorder among family members and close friends has been described. However, its exact incidence and prevalence is not known. Since such case has not been reported in Nepal to best of our knowledge, we present a case of shared delusional disorder along with brief review of literature. This case report describes a case of common shared persecutory delusion in husband and wife.

Supervised self-administration of outpatient parenteral antibiotic therapy: a report from a large tertiary hospital in Australia.

INTRODUCTION: Outpatient parenteral antibiotic therapy (OPAT) has become established as a standard of care in most Australian hospitals to treat a variety of infections. Since 1998, the Alternate Site Infusion Service (ASIS) has provided an OPAT service to five hospitals in southern Brisbane, Queensland, using predominantly a patient or carer administration model (self-administered, S-OPAT). The aim of this study was to evaluate outcomes of our S-OPAT programme. METHODS: Consecutive patients treated by ASIS at the Princess Alexandra Hospital from January 1, 2011 to December 31, 2011 were reviewed. Data on patient demographics, diagnoses, microbiology, antimicrobial therapy, duration, outcome, and complications were sourced from a prospectively collected database and from patient medical records. RESULTS: There were 150 episodes involving 144 patients resulting in 3520 days of OPAT; the median duration on the programme was 22 days (range 4­106 days). Patient or carer administration occurred in the majority of episodes. The most common indication by far was bone or joint infection (47% of patients), followed by infective endocarditis (9%). Staphylococcus aureus was the most frequently treated organism. The overall cure rate was 93%. On multivariate analysis, patients with two or more comorbidities had an increased risk of failure. Line-related complications occurred in 1.4/1000 catheter-days. Rash was the most common drug-related event. Despite the extensive use of broad-spectrum antibiotics there were no cases of Clostridium difficile infection during therapy and for up to 28 days post cessation of intravenous antibiotics. The cost of OPAT per patient excluding drug administration and home visits was approximately A$ 150.00/day, significantly lower than the cost of an inpatient bed, which is estimated to be A$ 500­800/day.5 CONCLUSION: OPAT using a patient or carer administration model is an effective and safe option for the management of selected patients with infection requiring intravenous antibiotics.

The modern mental health system in Nepal: organizational persistence in the absence of legitimating myths.

This paper advances an organizational explanation for the slow pace of modernization of mental health care systems in developing societies. In complement to cultural and political economic explanations of this condition, we suggest that the value of establishing modern systems in developing societies lies in the legitimation such structures provide for indigenous modernizing efforts vis-a-vis both indigenous and external audiences. The system need not meet actual levels of service demand. Its importance is in its symbolic value as an indicator of modernity. The result is a system in "permanent failure". Implications for institutional theory and the growth of modern mental health systems in developing societies are discussed.

Peripheral ulcerative keratitis triggered by bacterial conjunctivitis.

BACKGROUND: Periphpral ulcerative keratitis (PUK) is a disorder consisting of a crescent-shaped destructive inflammation of the perilimbal corneal stroma. CASE: We present a case of PUK following acute bacterial conjunctivitis in a 60-year-old lady with a history of on-and-off joint pain for two years. After admission to the hospital, she underwent conjunctival resection and was given topical and oral steroids. She was prescribed hydroxychloroquine after confirming the diagnosis of rheumatoid arthritis with a positive RA factor. CONCLUSION: This report highlights the role of infection as a triggeringagent in the induction of PUK in an otherwise quiescent cornea.

Unsafe abortion: a tragic saga of maternal suffering.

INTRODUCTION: Unsafe abortion is a significant cause of maternal morbidity and mortality in developing countries despite provision of adequate care and legalization of abortion. The aim of this study was to find out the contribution of unsafe abortion in maternal mortality and its other consequences. METHODS: A retrospective study was carried out in the Department of Obstetrics and Gynecology in BPKIHS between 2005 April to 2008 September analyzing all the unsafe abortion related admissions. RESULTS: There were 70 unsafe abortion patients. Majority of them (52.8%) were of high grade. Most of them recovered but there were total 8 maternal deaths. CONCLUSIONS: Unsafe abortion is still a significant medical and social problem even in post legalization era of this country.

Surgical outcome of pars plana vitrectomy: a retrospective study in a peripheral tertiary eye care centre of Nepal.

BACKGROUND: Trans-pars plana vitrectomy (TPPV) is an effective surgical procedure to retain the useful vision in vitreoretinal diseases. OBJECTIVE: To evaluate the surgical outcome of pars plana vitreoretinal surgery. STUDY DESIGN: Retrospective non-comparative interventional case series. MATERIALS AND METHODS: A hospital-based retrospective interventional study of series of cases was carried out in retina clinic of Lumbini Eye Institute, Nepal, over a period of one-and-a-half years. Records of 64 patients who underwent vitreo-retina surgeries were reviewed. Demography, duration of symptoms, risk factors and indications, preoperative and post-operative visual acuity, intra-operative and post-operative complications were analyzed. OUTCOME MEASUREMENT: The parameters studied were post-operative visual acuity and complications. RESULTS: Of 64 patients, 61% presented 2 months after the onset of symptoms. Preoperatively, 65.5% had visual acuity of hand motions to 3/60 followed by perception of light only in 26.6%. The main indication for TPPV was vitreous haemorrhage (VH), in 53%. The visual acuity improved to better than 6/60 in patients with VH (68%), whereas, overall, in 72% of the subjects, it improved by 2 lines postoperatively. The commonest intra-operative complications were iatrogenic retinal break (5, 7.8%) at the sclerostomy site. CONCLUSION: The main indication for TPPV is vitreous haemorrhage. Useful vision can be restored by pars plana vitrectomy in the majority of the patients. Retinal break is the commonest complication of TPPV.