Ultrasound-Guided Radial Artery Puncture by Nurses in Emergency Department: A Randomized Controlled Study.

INTRODUCTION: Radial artery puncture has been performed by palpation as a standard method in many emergency departments and intensive care units. Nurses play an important role in the care of patients in various settings. Ultrasonography can be performed and interpreted not only by physicians but also by nurses. This study aimed to evaluate whether emergency nurses would be more successful in radial artery puncture procedure by using ultrasonography instead of palpation. METHODS: This single-center, prospective, randomized controlled study was conducted in the emergency department. The patients included in the study were randomized into 2 groups as ultrasonography and palpation groups. Data were recorded on the number of interventions, the duration of the procedure in seconds, total time in seconds, whether the puncture was successfully placed, whether there were complications, the types of complications (hematoma, bleeding, and infection), or whether it was necessary to switch to an alternative technique. RESULTS: A total of 72 patients, 36 patients in the ultrasonography group and 36 patients in the palpation group, participated in the study. The success rate at the first attempt was statistically significantly higher in the ultrasonography group. Although hematoma formation among the complications occurred in the entire palpation group, it was observed in 72.2% of the ultrasonography group. Puncture time and total time were statistically significantly lower in the ultrasonography group. DISCUSSION: Our study shows that emergency nurses can use bedside ultrasonography for radial artery puncture successfully.

The use of ultrasound for peripheral IV placement by vascular access team nurses at a tertiary children's hospital.

PURPOSE: Children receiving treatment in the hospital frequently require intravenous (IV) access. Placement of short peripheral catheters can be painful and challenging especially in those children who have difficult access. Many children's hospitals have teams of specialized vascular access nurses experienced in peripheral catheter insertion, and at times use vein visualization devices, including ultrasound (US), to assist in peripheral IV placement. Our objectives were to describe the prevalence and success rate of US-guided peripheral IV placement by vascular access team nurses at a single tertiary children's hospital. METHODS: We retrospectively reviewed quality assurance data kept by our institution's vascular access team between February, 2014 and March, 2014. Data extracted included: age, gender, number of attempts, if difficult, if ultimately successful and modality used to aid IV placement. Descriptive statistics and chi-square tests were used to analyze and report data. RESULTS: There were 1111 patient-nurse encounters reported for peripheral IV placement over a six-week period, and a total of 1579 attempts. Ultimately 84% of the patients had successful IV placement. Overall, visualization and palpation was the most frequently used technique (50.1%), followed by near-infrared light (40.6%), US (8.0%), and transillumination (1.3%). The success rate of US (60% overall and 59.2% difficult) was not significantly different from other advanced visualization techniques. CONCLUSIONS: Vascular access team nurses use US infrequently for peripheral IV placement, including in children with difficult access. Methods to increase its skillful use in difficult access patients and improve successful IV placements should be explored.

Improving clinical examination in acute tibial fractures by enhancing visual cues: the case for always 'cutting back' a tibial back-slab and marking the dorsalis pedis pulse.

Look, feel, move is a simple and widely taught sequence to be followed when undertaking a clinical examination in orthopaedics (Maher et al., 1994; McRae, 1999; Solomon et al., 2010). The splinting of an acute tibial fracture with a posterior back-slab is also common practice; with the most commonly taught design involving covering the dorsum of the foot with bandaging (Charnley, 1950; Maher et al., 1994; McRae, 1989). We investigated the effect of the visual cues provided by exposing the dorsum of the foot and marking the dorsalis pedis pulse. We used a clinical simulation in which we compared the quality of the recorded clinical examination undertaken by 30 nurses. The nurses were randomly assigned to assess a patient with either a traditional back-slab or one in which the dorsal bandaging had been cut back and the dorsalis pedis pulse marked. We found that the quality of the recorded clinical examination was significantly better in the cut-back group. Previous studies have shown that the cut-back would not alter the effectiveness of the back-slab as a splint (Zagorski et al., 1993). We conclude that all tibial back-slabs should have the bandaging on the dorsum of the foot cut back and the location of the dorsalis pedis pulse marked. This simple adaptation will improve the subsequent clinical examinations undertaken and recorded without reducing the back-slab's effectiveness as a splint.

Self-detection of atrial fibrillation in an aged population: the LietoAF Study.

BACKGROUND: Early detection of atrial fibrillation (AF) in older people is important because AF is often asymptomatic and its first manifestation may be a disabling stroke. The objective of the LietoAF Study is to assess the motivation and capability of older people to learn pulse palpation and continue regular pulse measurements, and whether this self-assessment is helpful in the detection of new AF. DESIGN AND METHOD: The LietoAF Study is an intervention study. A total of 205 people aged ≥75 years were randomly selected to participate in the programme where a trained nurse gave individual education on pulse palpation. At 1 month, the eligible participants came to the first follow-up visit to assess the success of pulse self-monitoring. RESULTS: A total of 139 participants (68%) learned pulse palpation and performed regular measurements during the early follow-up period. The significant independent predictors for learning and motivation were high Mini-Mental State Examination score (>24) (OR 7.5, 95% CI 1.5-37.3, p = 0.014), computer use at home (OR 4.7, 95% CI 1.9-11.5, p = 0.001), independence at daily activities (OR 4.2, 95% CI 1.4-13.6, p = 0.013) and low heart rate (OR 1.04, 95% CI 1.0-1.08, p = 0.037). Education did not cause extra visits to local healthcare centres and did not affect quality of life. Four participants observed a new asymptomatic AF during the 1-month follow-up. CONCLUSION: Active older people are motivated and seem to learn pulse palpation. Our early experience suggests that simple nurse-based education is effective and useful in the early detection of asymptomatic AF.

Effect of nursing intervention program using abdominal palpation of Leopold's maneuvers on maternal-fetal attachment.

BACKGROUND: The aim of this study was to investigate whether a nursing intervention program using abdominal palpation would improve maternal-fetal relationships of pregnant women. METHODS: The subjects were Japanese women aged less than 40 years with singleton pregnancies. A nursing intervention involving abdominal palpations of Leopold's Maneuvers was performed for the intervention group (n = 35) in the 30th, 32nd, and 34th weeks' gestation, while ordinary health-related advice was provided to the control group (n = 73) in the corresponding period. RESULTS: At the 30th (baseline) week, no intergroup differences were observed. However, the intervention group showed higher Prenatal Attachment Inventory (PAI) scores in the 34th (P < 0.01) and 36th weeks (P < 0.05) as well as a higher frequency of talking to the fetus in the 32nd (P < 0.01), 34th (P < 0.01), and 36th weeks (P < 0.05). Furthermore, Fetal position awareness score in the 32nd, the 34th, and the 36th weeks were higher in the intervention group than in the control group (P < 0.001). CONCLUSIONS: The present findings have suggested that nursing interventions involving abdominal palpations can develop the maternal-fetal relationship. Further random controlled trials are warranted to ascertain this observation.

Comparison of abdominal palpation, Johnson's technique and ultrasound in the estimation of fetal weight in Northern Iran.

OBJECTIVES: to assess the accuracy of abdominal palpation, Johnson's technique and ultrasound in the estimation of fetal weight (EFW). DESIGN, SETTING AND PARTICIPANTS: 174 pregnant women were recruited at random in a large teaching hospital in Iran. Fetal weight was estimated by palpation and Johnson's technique at the time of admission by one qualified midwife, and then estimated by ultrasound by one radiologist. After birth, all newborns were weighed using the same scale. FINDINGS: a significant correlation was found between EFW by ultrasound, palpation and Johnson's technique and actual birth weight. The differences between EFW by palpation, ultrasound and Johnson's technique and actual birth weight were significant for small-for-gestational-age fetuses (p<0.05, p<0.01 and p<0.001, respectively), but not for appropriate-for-gestational-age fetuses. These differences were significant for ultrasound (p<0.001) and palpation (p<0.05) in large-for-gestational-age fetuses. The sensitivity of ultrasound for EFW of low-birthweight fetuses (72.2%) and the sensitivity of Johnson's technique for EFW of normal-weight and macrosomic fetuses (97.3% and 75%, respectively) appeared to be higher than the sensitivities of the other methods. CONCLUSION: palpation and Johnson's technique can be used as alternatives to ultrasound for EFW, particularly if the measurements are taken by experienced, skilled personnel.

Analysis of pelvic floor musculature function during pregnancy and postpartum: a cohort study: (a prospective cohort study to assess the PFMS by perineometry and digital vaginal palpation during pregnancy and following vaginal or caesarean childbirth).

AIM: To compare the measurements of women's pelvic floor musculature strength (PFMS) during pregnancy and postpartum period. BACKGROUND: Pregnancy and childbirth can have an influence on the muscles and pelvic floor and can cause morbidities of women's genito-urinary tract. DESIGN: A prospective cohort study. METHODS: There were included 226 primigravidae women, attended by community health services in the city of Itapecerica da Serra, Sao Paulo, Brazil. The participants were followed in four stages: (1) within 12 weeks of pregnancy; (2) between 36-40 weeks of pregnancy; (3) within 48 hours after childbirth; (4) 42-60 days after childbirth. Data were collected from February 2007-August 2008. The pelvic floor musculature strength was evaluated by perineometry and digital vaginal palpation in stages 1, 2 and 4. The final sample included 110 women who completed all four stages of the study. RESULTS: The pelvic floor musculature strength of the women did not change significantly during pregnancy or after delivery (anova: p = 0·78). In all three examined stages, a low-intensity pelvic floor musculature strength was prevalent (in mmHg: stage 1 = 15·9; stage 2 = 15·2, stage 4 = 14·7), with scores from 0-3 on the Oxford scale. The pelvic floor musculature strength did not differ in relation to maternal age, skin colour, conjugal status, dyspareunia, stool characteristics, type of delivery, or conditions of the perineum. An interaction between maternal nutritional state and newborn's weight may affect the pelvic floor musculature strength (manova: p = 0·04). CONCLUSION: Pregnancy and childbirth did not reduce significantly pelvic floor musculature strength. The perineometry and digital vaginal palpation used to assess the pelvic floor musculature strength were well accepted by the women. RELEVANCE TO CLINICAL PRACTICE: In clinical practice, digital vaginal palpation is effective for supporting the diagnosis of urinary, intestinal and sexual dysfunctions. Perineometry use is particularly important together with the performance of perineal exercises with biofeedback in the treatment these disorders.

A critical review of auscultating bowel sounds.

Auscultation (listening for bowel sounds) is part of an abdominal physical assessment and is performed to determine whether normal bowel sounds are present. This article evaluates the technique involved in listening for bowel sounds and the significance of both normal and abnormal auscultation findings. Review of the relevant literature reveals conflicting information and a lack of available research on the topic of auscultating bowel sounds. The clinical significance of auscultation findings when there is no evidence base to support the practice of listening for bowel sounds is explored by further analysis of the literature and reflection by the author on the teaching she received and her own personal practice.

Respiratory assessment in adults.

Respiratory disorders are among the most common reasons for admission to critical care units in the U.K. However, anecdotal evidence suggests that nursing assessment of patients' respiratory function is not performed well because it is not considered a priority and the implications of respiratory dysfunction are underestimated. It is essential that nurses are able to recognise and assess symptoms. of respiratory dysfunction to provide early, effective and appropriate interventions, thus improving patient outcomes. This article highlights the role of the nurse in respiratory assessment and discusses the implications of clinical findings.

Development and validation of a Vein Assessment Tool (VAT).

OBJECTIVE: To assess the face validity and the inter-rater reliability of the Vein Assessment Tool (VAT) for classifying veins according to their level of intravenous insertion difficulty. DESIGN: Prospective observational study. PARTICIPANTS: Eight nurses and two radiographers from the Medical Imaging Department and five nurses from the Haematology Day Patient Unit of a large tertiary hospital. INTERVENTION: Assessments of veins in the upper limb were undertaken independently by nurses from two departments of a major tertiary hospital. MAIN OUTCOME MEASURE: Level of inter-rater agreement assessed using intraclass correlation coefficients (ICC). RESULTS: A total of 125 independent assessments were made by 15 nurses. The mean percentage agreement between raters from Medical Imaging was 84% (SD 10.7; range 60% to 100%) and between raters from Oncology was 92% (SD 17.9; range 60% to 100%). The inter-rater reliability was very high for the ten medical imaging raters 0.83 (95% confidence interval CI = 0.61 - 0.95) and for the Oncology raters 0.93 (95% CI = 0.77-0.99). CONCLUSION: The Vein Assessment Tool (VAT) has been validated by a sample of nurses with cannulating experience. Following broader testing it may be useful for research studies or by nurses who wish to objectively describe the condition of a vein for clinical purposes.

The use of ultrasound for placement of intravenous catheters.

Ultrasound has been used to aid cannulation of veins of the neck, chest, antecubital fossa, and femoral vein. This investigation compared the traditional method of peripheral intravenous (IV) cannulation of veins of the hands and forearms with ultrasound-guided IV cannulation of these veins. After obtaining institutional review board approval and written informed consent, 35 adult subjects with a history or suspicion of difficult IV cannulation were prospectively enrolled with 16 subjects randomly assigned to the traditional group and 19 to the ultrasound group. Time taken for successful venous cannulation and number of attempts between the groups were compared using a Mann-Whitney U test. The number of subjects in whom IV cannulation was successful on the first attempt was compared between the groups using the Fisher exact test. No significant differences were noted between groups in demographics, time to successful cannulation, number of attempts, and number of subjects in whom IV cannulation was successful on the first attempt. Ultrasound was as efficacious as the traditional method of IV cannulation in this subset of patients. Future investigations should examine the efficacy of the ultrasound-guided technique of IV cannulation of these veins in patients in whom the traditional method failed.

Non-blanchable erythema as an indicator for the need for pressure ulcer prevention: a randomized-controlled trial.

AIMS AND OBJECTIVES: To evaluate whether postponing preventive measures until non-blanchable erythema appears will actually lead to an increase in incidence of pressure ulcers (grades 2-4) when compared with the standard risk assessment method. BACKGROUND: To distinguish patients at risk for pressure ulcers from those not at risk, risk assessment scales are recommended. These scales have limited predictive validity. The prevention of further deterioration of non-blanchable erythema (grade 1 pressure ulcer) instead of the standard way of assigning prevention could be a possible new approach. DESIGN: Randomized-controlled trial. METHODS: Patients admitted to surgical, internal or geriatric wards (n = 1617) were included. They were randomly assigned to an experimental and a control group. In the experimental group (n = 826), prevention was started when non-blanchable erythema appeared, in the control group (n = 791) when the Braden score was <17 or when non-blanchable erythema appeared. In both groups, patients received identical prevention, either by using a polyethylene-urethane mattress in combination with turning every four hours or by using an alternating pressure air mattress. Pressure points were observed daily and classified according to the four grades of the European Pressure Ulcer Advisory Panel. The Braden scale was scored every three days. RESULTS: In the experimental group, 16% of patients received preventive measures, in the control group 32%. The pressure ulcer incidence (grades 2-4) was not significantly different between the experimental (6.8%) and control group (6.7%). CONCLUSION: Significantly fewer patients need preventive measures when prevention is postponed until non-blanchable erythema appears and those patients did not develop more pressure ulcers than patients who received prevention based on the standard risk assessment method. RELEVANCE TO CLINICAL PRACTICE: Using the appearance of non-blanchable erythema to allocate preventive measures leads to a considerable reduction of patients in need of prevention without resulting in an increase in pressure ulcers.

A comparison of two methods of blood pressure measurement.

In current practice, a two-stage approach to measuring blood pressure (BP) has been widely accepted as the most accurate and reliable method. However, by changing the local haemodynamics, this procedure might alter the blood pressure. In a study of 39 subjects, blood pressure was measured using two indirect methods (two-stage and one-stage approaches). Results showed no statistically significant difference in values for systolic blood pressure obtained from the two methods. Statistically significant lower diastolic blood pressure values were obtained using the two-stage compared to the one-stage approach. It is proposed that initial inflation of the cuff to estimate systolic blood pressure in the two-stage approach might lead to reactive hyperaemia and, therefore, a lower diastolic value. This two-stage approach might not provide the accurate readings it claims, and in addition it requires more time and subjects the patient to longer periods of stress.