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1.
Nat Commun ; 14(1): 3968, 2023 Jul 05.
Artículo en Inglés | MEDLINE | ID: mdl-37407570

RESUMEN

Currently available quantum processors are dominated by noise, which severely limits their applicability and motivates the search for new physical qubit encodings. In this work, we introduce the inductively shunted transmon, a weakly flux-tunable superconducting qubit that offers charge offset protection for all levels and a 20-fold reduction in flux dispersion compared to the state-of-the-art resulting in a constant coherence over a full flux quantum. The parabolic confinement provided by the inductive shunt as well as the linearity of the geometric superinductor facilitates a high-power readout that resolves quantum jumps with a fidelity and QND-ness of >90% and without the need for a Josephson parametric amplifier. Moreover, the device reveals quantum tunneling physics between the two prepared fluxon ground states with a measured average decay time of up to 3.5 h. In the future, fast time-domain control of the transition matrix elements could offer a new path forward to also achieve full qubit control in the decay-protected fluxon basis.

2.
Eur Arch Otorhinolaryngol ; 263(5): 449-54, 2006 May.
Artículo en Inglés | MEDLINE | ID: mdl-16311773

RESUMEN

The harmonic scalpel has been in use for tonsillectomy for the last 5-6 years in western Europe and North America. Although some studies have found this technique to be superior to other conventional methods, its use is still not very popular. In this single-blinded prospective study, the intraoperative events and postoperative morbidity after the use of harmonic scalpel in tonsillectomy (HST) was evaluated in 180 cases in two hospitals and compared with conventional steel tonsillectomy (CST) and hemostasis secured by bipolar diathermy or ligatures in 100 cases. Both bipolar diathermy and ligatures were used to control the intraoperative bleeding in all cases of CST and some cases (n =9) of HST. The study was done in two hospitals. Patients were randomized irrespectively of their age, sex, past history or indication for surgery. The total number of patients operated on was 180 for HST and 100 for CST. The surgical duration, intraoperative blood loss and postoperative pain were compared between the patients who only had tonsillectomy done in either group (n =120 in HST and n = 70 in CST). The mean operative time in the HST group was not longer than the CST group, but the intraoperative blood loss was significantly less in the HST group. Postoperative pain was present in all patients in the HST group, but to a lesser extent than in the CST group. There was no major postoperative hemorrhage in the HST group that required surgical attention. HST has the advantage over CST when secondary hemorrhage after tonsillectomy is considered. Thus, following the results of the National Prospective Tonsillectomy Audit (NPTA), it may be safe to say that HST is superior to most other conventional methods in reducing secondary hemorrhage. The use of disposable blades in CST certainly reduces the risk of the transmission of Cruetzfield-Jacob disease (CJD).


Asunto(s)
Enfermedades Faríngeas/cirugía , Apnea Obstructiva del Sueño/cirugía , Tonsilectomía/instrumentación , Terapia por Ultrasonido/instrumentación , Adolescente , Adulto , Anciano , Niño , Preescolar , Femenino , Humanos , Masculino , Persona de Mediana Edad , Absceso Peritonsilar/cirugía , Estudios Prospectivos , Recurrencia , Método Simple Ciego , Neoplasias Tonsilares/cirugía , Tonsilitis/cirugía
4.
J Postgrad Med ; 51(4): 312-5, 2005.
Artículo en Inglés | MEDLINE | ID: mdl-16388175

RESUMEN

Sanjay Gandhi Postgraduate Institute of Medical Sciences (SGPGIMS) located in Lucknow, capital of Uttar Pradesh, a state in Northern India, is a tertiary level referral academic medical center involved in teaching and training of super specialist medical professionals with 22 academic departments. It is the first tertiary care hospital in public healthcare sector in India to adopt Information Technology (IT) for healthcare delivery. The Hospital Information System (HIS) was implemented in 1998 to record, store, process and retrieve health data of all the patients. This software was developed in-house in collaboration with Center for Development of Advanced Computing (C- DAC), Pune. Later in the year 1999, telemedicine activities were initiated in the form of testing the concept and technology. The first research grant was availed of in the year 2001, which helped in creating an infrastructure for telemedicine. Regular tele-healthcare and tele-educational services were introduced for the postgraduate students of medical colleges of Orissa. These services have now been extended to educate the doctors of other medical colleges and community centers in other states. Besides, the Institute is associated with organizational activities and in policy initiatives of the government. All the activities are in project mode and are being financially supported by government agencies such as Indian Space Research Organisation (ISRO) and Department of Information Technology. Looking at the need of skilled manpower in the field of telemedicine and e-health, a school of telemedicine is coming up in the campus, which will also provide core infrastructure for research and development.


Asunto(s)
Telemedicina/organización & administración , Centros Médicos Académicos , Hospitales Públicos , Humanos , India , Unidades Móviles de Salud
5.
Indian J Med Res ; 119 Suppl: 77-9, 2004 May.
Artículo en Inglés | MEDLINE | ID: mdl-15232167

RESUMEN

BACKGROUND & OBJECTIVES: Enterococci are important nosocomial agents and serious infections caused by them are often treated with a combination of cell wall inhibitor and aminoglycoside. However, the presence of high level aminoglycoside resistance in these isolates makes this treatment combination ineffective. The prevalence of such isolates in a tertiary care set up has important diagnostic and therapeutic implications. The present study was carried out to find out the occurrence of high level aminoglycoside resistant isolates of enterococci in paediatric septicaemia cases in a tertiary care set up in north India. METHODS: Blood of paediatric cases with a clinical diagnosis of septicaemia was cultured to isolate and identify enterococci. Agar screen method was used to detect high level streptomycin and gentamicin resistance in these isolates. Vancomycin susceptibility of these isolates were determined as per the National Committee for Clinical Laboratory Standards (NCCLS) recommendations. RESULTS: Fifty one enterococcal strains were isolated from 21 neonates, nine infants and 21 children with a clinical diagnosis of septicaemia. Sixty eight per cent of these isolates had high level gentamicin resistance and forty three per cent had high level streptomycin resistance. All the isolates with high level streptomycin resistance also had high level gentamicin resistance. More than ninety five per cent of these isolates were sensitive to vancomycin. INTERPRETATION & CONCLUSION: The occurrence of high level gentamicin and high level streptomycin resistance in enterococcal isolates in our set up was high. This would require routine testing of the enterococcal isolates for high level aminoglycoside resistance. Alternative treatment regimes need to be sought, besides prudent use of antibiotics.


Asunto(s)
Aminoglicósidos/farmacología , Antibacterianos/farmacología , Farmacorresistencia Microbiana , Enterococcus/efectos de los fármacos , Sepsis/microbiología , Niño , Humanos , India , Recién Nacido
6.
Mycoses ; 46(8): 287-92, 2003 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-12950896

RESUMEN

An outbreak of candidemia due to Candida tropicalis involving 16 neonates (gestational age 28-36 weeks) is reported. All infants had received hyperalimentation and at least one course of antibiotics. The commonest clinical manifestations included episodes of acute respiratory distress and lack of response to antibacterial antibiotic therapy. Candida tropicalis was recovered from blood in all the 16 infants and urine cultures were positive in 14 infants. Environmental sampling yielded C. tropicalis from one each of the blankets and mattresses used for neonates. Four of five urinary tract isolates and both environmental isolates genotyped by arbitrarily primed-PCR with several random primers were shown to belong to the same genotype.


Asunto(s)
Candida tropicalis/aislamiento & purificación , Candidiasis/epidemiología , Brotes de Enfermedades , Fungemia/epidemiología , Enfermedades del Prematuro/epidemiología , Unidades de Cuidado Intensivo Neonatal , Antifúngicos/farmacología , Candida tropicalis/clasificación , Candida tropicalis/efectos de los fármacos , Candida tropicalis/genética , Candidiasis/microbiología , ADN de Hongos/análisis , Fungemia/microbiología , Genotipo , Humanos , Recién Nacido , Recien Nacido Prematuro , Enfermedades del Prematuro/microbiología , Pruebas de Sensibilidad Microbiana , Reacción en Cadena de la Polimerasa
7.
J Commun Dis ; 33(2): 72-7, 2001 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-12170940

RESUMEN

Fifty patients of chronic diarrhoea in the pediatric age group admitted in Kalawati Saran Children's Hospital were studied. Thirty cases were diagnosed to be suffering from giardiasis based on microscopy of fecal and/or duodenal fluid specimens. Fecal specimen microscopy missed two cases which were diagnosed by duodenal aspirate microscopy and vice-versa. All fecal specimens were negative on culture, while duodenal aspirate culture gave large number of false negative results. Serum immunoglobulin levels did not show significant changes. Thus, routine microscopic testing is presently the best means for early diagnosis of giardiasis.


Asunto(s)
Giardia lamblia/aislamiento & purificación , Giardiasis/diagnóstico , Animales , Estudios de Casos y Controles , Niño , Preescolar , Femenino , Giardiasis/fisiopatología , Humanos , Inmunoglobulinas/sangre , Lactante , Recién Nacido , Masculino
10.
Ann Thorac Surg ; 69(1): 291-2, 2000 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-10654544

RESUMEN

We describe an alternative step in the transatrial approach to the repair of ventricular septal defects. We temporarily detach the chorda of the obscuring tricuspid valve from its attachment to the septum to expose the ventricular septal defect.


Asunto(s)
Defectos del Tabique Interventricular/cirugía , Cuerdas Tendinosas/cirugía , Atrios Cardíacos/cirugía , Humanos , Implantación de Prótesis , Técnicas de Sutura , Tetralogía de Fallot/cirugía , Válvula Tricúspide/cirugía
14.
Indian Heart J ; 49(3): 300-2, 1997.
Artículo en Inglés | MEDLINE | ID: mdl-9291655

RESUMEN

Video-assisted thoracoscopic surgery (VATS) was recently described as an approach to clip the patent ductus arteriosus (PDA). Between May 1994 and May 1996, we performed this procedure on 34 children below 12 years of age (mean 7 years). Thirty-two had an isolated PDA and two had associated small perimembranous ventricular septal defect (VSD), diagnosed on echocardiography and colour flow mapping. None had pulmonary arterial hypertension. The procedure was successful in 33 (97%) children confirmed by absence of residual shunt on serial echocardiography. Complications in the form of pneumothorax (1) and vocal card paralysis (2) were encountered in three children. The overall hospital stay was reduced to five days. In conclusion, the technique of PDA clipping using VATS is easy to learn and highly successful with acceptable risk of complications.


Asunto(s)
Conducto Arterioso Permeable/cirugía , Endoscopía/métodos , Niño , Humanos , Toracoscopía , Resultado del Tratamiento , Grabación en Video
17.
J Laryngol Otol ; 105(3): 232-4, 1991 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-2019818

RESUMEN

A patient complaining of dysphagia was diagnosed as suffering from a fracture of the hyoid bone. The fracture was fixed using the modern technique of tension band wiring. There was subsequent relief of the symptoms. A review of the literature and our perspective is included.


Asunto(s)
Fijación de Fractura/métodos , Hueso Hioides/lesiones , Adolescente , Hilos Ortopédicos , Humanos , Masculino
18.
Experientia ; 47(3): 280-2, 1991 Mar 15.
Artículo en Inglés | MEDLINE | ID: mdl-2009939

RESUMEN

Genotoxic effects of dithane M-45 were studied on the bone marrow cells of male albino mice (Lacca strain) in vivo. Different doses (30 mg, 40 mg and 300 mg/kg b.wt) of dithane M-45 were injected intraperitoneally and their effects were investigated after time intervals of 1, 2, 5 and 10 days. The chromosomal aberrations observed in the bone marrow cells of male mice after treatment with dithane M-45 were fragments, rings, dicentric chromosomes, terminal chromatid deletions, chromatid gaps and breaks. In addition to these chromosomal aberrations, physiological effects such as uneven stretching of chromatin material, end-to-end chromosomal associations, exchange configurations, clumping, stickiness and centromeric associations were also observed.


Asunto(s)
Médula Ósea/efectos de los fármacos , Maneb/análogos & derivados , Mutágenos , Zineb/análogos & derivados , Animales , Células de la Médula Ósea , Cromatina/efectos de los fármacos , Aberraciones Cromosómicas , Cariotipificación , Masculino , Maneb/toxicidad , Ratones , Pruebas de Mutagenicidad , Zineb/toxicidad
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