Three new species of Acanthocephala from Acanthogyrus (Acanthosentis) (Acanthocephala: Quadrigyridae) from tinfoil barb fish, Barbonymus schwanenfeldii in Lake Kenyir, Terengganu, Malaysia

@#This study was carried out in order to identify acanthocephalan species complexes, based on morphological variability, infecting Barbonymus schwanenfeldii from Lake Kenyir, Terengganu, Malaysia. Acanthocephala were fixed in ethanol, stained with aceto-carmine and studied morphologically by using a light microscope. Variation in morphological traits such as proboscis, proboscis receptacle, egg, testes shape and location, number of hooks and cement gland has been traditionally used to diagnose the acanthocephalans species but the delimitations between closely related species are still confusing and are always questionable among taxonomists. Molecular analysis was used for support the identification. Morphological variability prospecting reveals the presence of three different new species complexes from the subgenus Acanthosentis by referring published taxonomic keys. These new species may be distinguished from the other 46 described species of Acanthosentis by having six unique structures: the presence of an anterior parareceptacle structure (PRS); vaginal sleeve structure; a paired lateral, cone-shaped, muscular jacket surrounding the vagina; alternating pattern and size of proboscis hooks, variation in proboscis size and shape; the presence of the circular collar ring around the neck between the proboscis and trunk and lastly the presence of a muscular-like structure attached to the collar ring on the proboscis. These acanthocephalans found in the intestine of B. schwanenfeldii in Kenyir Lake Malaysia represent new species, named Acanthogyrus (Acanthosentis) kenyirensis n.sp., A. (A.) terengganuensis n.sp. and A. (A.) tembatensis n. sp.

Axillary local anesthetic spread after the thoracic interfacial ultrasound block - a cadaveric and radiological evaluation / Dispersão axilar de anestésico local após bloqueio interfascial torácico guiado por ultrassom - estudo radiológico e em cadáver

Abstract Background Oral opioid analgesics have been used for management of peri- and postoperative analgesia in patients undergoing axillary dissection. The axillary region is a difficult zone to block and does not have a specific regional anesthesia technique published that offers its adequate blockade. Methods After institutional review board approval, anatomic and radiological studies were conducted to determine the deposition and spread of methylene blue and local anesthetic injected respectively into the axilla via the thoracic inter-fascial plane. Magnetic Resonance Imaging studies were then conducted in 15 of 34 patients scheduled for unilateral breast surgery that entailed any of the following: axillary clearance, sentinel node biopsy, axillary node biopsy, or supernumerary breasts, to ascertain the deposition and time course of spread of solution within the thoracic interfascial plane in vivo. Results Radiological and cadaveric studies showed that the injection of local anesthetic and methylene blue via the thoracic inter-fascial plane, using ultrasound guide technique, results in reliable deposition into the axilla. In patients, the injection of the local anesthetic produced a reliable axillary sensory block. This finding was supported by Magnetic Resonance Imaging studies that showed hyper-intense signals in the axillary region. Conclusions These findings define the anatomic characteristics of the thoracic interfascial plane nerve block in the axillary region, and underline the clinical potential of this novel nerve block.

Resumo Justificativa Os analgésicos orais à base de opioides têm sido usados para o manejo da analgesia nos períodos peri e pós-operatório de pacientes submetidos à linfadenectomia axilar. A região axilar é uma zona difícil de bloquear e não há registro de uma técnica de anestesia regional específica que ofereça o seu bloqueio adequado. Métodos Após a aprovação do Conselho de Ética institucional, estudos anatômicos e radiológicos foram feitos para determinar a deposição e disseminação de azul de metileno e anestésico local, respectivamente injetados na axila via plano interfascial torácico. Exames de ressonância magnética foram então feitos em 15 de 34 pacientes programados para cirurgia de mama unilateral que envolveria qualquer um dos seguintes procedimentos: esvaziamento axilar, biópsia de linfonodo sentinela, biópsia de linfonodo axilar ou mamas supranumerárias, para verificar a deposição e o tempo de propagação da solução dentro do plano interfascial torácico in vivo. Resultados Estudos radiológicos e em cadáveres mostraram que a injeção de anestésico local e azul de metileno via plano interfascial torácico com a técnica guiada por ultrassom resulta em deposição confiável na axila. Nos pacientes, a injeção de anestésico local produziu um bloqueio sensitivo axilar confiável. Esse achado foi corroborado por estudos de ressonância magnética que mostraram sinais hiperintensos na região axilar. Conclusões Esses achados definem as características anatômicas do bloqueio da região axilar e destacam o potencial clínico desses novos bloqueios.

Tolerance of weekly paclitaxel and carboplatin as neoadjuvant chemotherapy in advanced ovarian cancer patients who are unlikely to tolerate 3 weekly paclitaxel and carboplatin.

OBJECTIVE: There are little data regarding safety and effectiveness of neoadjuvant chemotherapy (NACT) in patients who are considered unfit for receiving 3 weekly paclitaxel and carboplatin. The aim of this study was to study the toxicity and response rates of weekly paclitaxel and carboplatin as NACT in such cohort of patients. METHODS: Study population included advanced ovarian cancer patients who were unlikely to tolerate 3 weekly paclitaxel and carboplatin and hence received weekly paclitaxel (80 mg/m2) and carboplatin AUC‑2 as NACT. The data regarding the baseline characteristics, chemotherapy tolerance, completion rates, toxicity (CTCAE version 4.02), and radiological response rates are presented. SPSS version 16 was used for analysis. Descriptive statistics is presented. RESULT: Eleven patients received this schedule. Nine patients completed nine cycles of NACT. Except one, all patients completed NACT with an average relative dose intensity of >0.8. There was no chemotherapy‑related mortality. Grade 3–4 life‑threatening complications were seen in two patients. The post NACT response rate was 100%. CONCLUSION: Weekly paclitaxel and carboplatin chemotherapy is safe and efficacious in patients who are unsuitable for 3 weekly paclitaxel and carboplatin chemotherapy schedules.

Does the use of induction chemotherapy in oral cavity cancer compromise subsequent loco‑regional treatment delivery: Results from a matched pair analysis.

BACKGROUND: Neoadjuvant chemotherapy is being increasingly used in patients with unresectable oral cavity cancers to make them resectable. However, its impact on locoregional treatment delivery in such setting remains poorly studied. AIMS: To evaluate the impact of neoadjuvant chemotherapy on delivery of further locoregional treatment. SETTINGS AND DESIGN: Mono institutional retrospective audit of patients with oral cavity squamous cell cancers treated with neoadjuvant triplet chemotherapy in India. MATERIALS AND METHODS: Patients receiving neoadjuvant chemotherapy (n = 14) from May 2012 to April 2014 were matched 1:2 to patients undergoing upfront surgery (n = 28) based on age (>60 or 60 and less), gender (male or female) and subsite site (tongue and floor of mouth or buccoalveolar complex). Data regarding factors related to the delivery of locoregional treatment and toxicities were compiled. STATISTICAL ANALYSIS: Descriptive analysis in the form of median (range) for continuous variables and frequencies for categorical variables. RESULTS: Patients undergoing neoadjuvant chemotherapy required more extensive resections and had greater operative time (460 vs. 415 min, P < 0.001). A greater incidence of locoregional wound complications was seen as a consequence (57.1% vs. 14.3%, P, 0.01). However, toxicities during radiotherapy were not substantially different between the two groups and compliance to radiation was also similar. Total package time of 100 days or less, was maintained in 90% of patients in both groups. CONCLUSIONS: Delivery of neoadjuvant chemotherapy does not impair the ability to deliver locoregional treatment.

Electrocardiographic Left Ventricular Hypertrophy among Gambian Diabetes Mellitus Patients

Background: The global prevalence of diabetes and its complications is increasing worldwide. Its role in coronary heart disease has been linked with the presence of left ventricular hypertrophy (LVH). The present study aims to determine the prevalence of electrocardiographic left ventricular hypertrophy (ECG-LVH) in adult diabetic subjects; its epidemiological and clinical correlates.Methods: A descriptive cross-sectional study involving 534 patients was conducted at the Edward Francis Small Teaching Hospital (formerly Royal Victoria Teaching Hospital); The Gambia. Four hundred and forty patients were included using a standard questionnaire. Anthropometry; laboratory investigations and electrocardiogram were carried out. We used the Lewis; Cornell; and Sokolow-Lyon Voltage criteria to define ECG-LVH. MinitabTM statistical software version 13.20 was used for analysis.Results: 146 (35.2) patients had ECG-LVH using all 3 criteria and this prevalence was higher among women being 116 (79.5). A generally high prevalence of overweight (155/37.4) and obesity (119/28.6) was observed among study participants; and both clinic-day systolic and diastolic blood pressure (BP) were significantly higher in those with ECG-LVH. Poor diabetes control was observed in both groups.Conclusion: There was a high prevalence of ECGLVH and it is especially so with combining multiple criteria; hence the need for screening. Clinic-day hypertension was associated with ECG-LVH hence the need for diagnosing and aggressive treatment of hypertension in patients with diabetes mellitus

Prevalence of Intestinal Helminthes among Children in Selected Communities in Monrovia; Liberia

The present study was carried out among children below 15 years in 10 communities in Monrovia. Out of the 646 children recruited in the study; 216 (33.4) were positive for at least one intestinal helminth parasite. Children between 11 - 15 years had the highest prevalence of intestinal helminthes. Ascaris lumbricoides was the most common intestinal helminth parasite encountered (79.6); followed by Trichuris trichura (19.0). Strongyloides stercoralis and Enterobius vermicularis were the least prevalent helminth parasites encountered among the study population (1each). The population in these communities depended largely on poorly built latrines and buckets for faecal disposal although some (49) used flush toilets despite their being in poor conditions. Only 23.45 of the 646 children surveyed used pipe borne water for drinking and other domestic purposes. The high prevalence rates of helminth infection obtained could be due to persistent infection and re-infection of the study population as a result of the constant seeding of the soil with parasite eggs and larvae in these communities

Mortality of patients following hip fractures in Barbados

A retrospective study of all patients admitted with hip fractures to the Queen Elizabeth Hospital in Barbados from January 1996 to December 1998 was conducted. There were 110 patients who had sustained either a femoral neck or peri-trochanteric fracture. The mean age was 80.7 years and 71.8 of the patients were women. Mortality at six months in 110 patients was 32.7 and 41.2 at 12 months in 102 patients. Forty-nine patients had open reduction and internal fixation of their fractures, forty-five patients were treated with Austin Moore prostheses and one patient had excisional arthroplasty. Patients with pre-operative cardiac abnormalities had a significantly higher mortality (60) at 12 months (p = 0.028). There was a linear correlation between age and mortality with mortality increasing with age. The length of time from admission to surgical procedure had no significant influence on mortality. Hip-fracture patients with cardiac abnormalities should be carefully evaluated and stabilized pre-operatively

A survey of cutlass ("Collins") injuries seen in the emergency department of the Queen Elizabeth Hospital in Barbados

For the period March to November 1998 inclusive, a prospective survey was conducted of all patients who sustained injuries with a cutlass or machete and were admitted to the Accident and Emergency Department of the Queen Elizabeth Hospital. Of the 77 patient admissions, 81 (62/77) were male. The average age was 28.8 years (range 8 to 73 years; standard deviation 13.1). Twenty-two per cent of the patients were less than 20 years old. The most common locations of the lacerations were upper extremity (59 lacerations) and scalp (16 lacerations). Thirty-four per cent of the patients (26/77) sustained lacerations to two or more anatomical locations. There were 23 fractures in 21 patients; skull fractures were the most common fractures (11). Of the 63 patients who responded to the question on whether they knew the identity of their assailants, 51 reported that they were attacked by someone known to them; eight were assaulted by a spouse or known family member. Eighty-six per cent of patients (66/77) were treated in the emergency room and discharged. Of the 11 patients admitted, eight required treatment in the operating theatre. The average length of stay was 3.6 days. There were no amputations or deaths. One patient sustained loss of vision in one eye. In Barbados, most victims of cutlass injuries are males who know their assailants and the morbidity is most often related to head injuries and to short-term physical disability due especially to lacerations of the hand and forearm.

An evaluation of medical school education in musculoskeletal medicine at the University of the West Indies, Barbados

At the University of the West Indies, Cave Hill campus, the Freedman and Bernstein musculoskeletal competency examination was administered to 22 medical students during the last month of their final year. Eighty-two per cent (82) of the students failed to score above the passing score of 73.1. Nineteen of the twenty-two students had taken an orthopaedic elective or rotation during their final two years. The questions were also categorized as Anatomy, Trauma and General Orthopaedics. All students failed to score above the passing score in Anatomy. Sixty-four per cent (64) failed in Trauma and 45 failed in General Orthopaedics. This study suggests that inadequacies in medical school preparation do exist at this campus of the University of the West Indies and the findings mirror those at medical schools in the United States of America.

Microspore culture in Corchorus olitorius: effect of growth regulators, temperature and sucrose on callus formation.

Culture of isolated microspores and of anthers on media containing IAA directed free microspore development to an embryogenic pathway in C. olitorius. The first division of microspores on transfer to culture media was symmetrical in contrast to the asymmetrical division seen in normal development in vivo. Initially, 10-30% microspores divided symmetrically, but only 0.2-1% of the dividing microspores continued dividing and produced multicellular microcalli. About 30% of these microcalli produced callus but only on medium with 2.0 mg/L zeatin and 0.1 mg/L IAA. Incubation in the dark at temperatures of 35 degrees C for 1 day and then 25 degrees C was found effective for induction of first embryonic division in Corchorus. The frequency of microspore callus formation was higher on medium containing either 3% or 5% sucrose. Addition of colchicine and addition of activated charcoal to the above medium did not enhance microspore division in Corchorus olitorius. On transfer to different media most calli produced roots but regeneration of shoots and embryos was not induced.