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J A Taggart

Publications and source records attributed to J A Taggart.

5 recordsLinked to original sources
PubMed1990

A clinical and microbiological comparison of the effects of water and 0.02% chlorhexidine as coolants during ultrasonic scaling and root planing.

The maxillary teeth of 10 patients with moderately advanced chronic periodontitis were treated in a split-mouth design study. The baseline examination included plaque and bleeding scores, probing depths and probing attachment levels. 2 sites in each quadrant were selected for dark-field microscopic analysis. Each quadrant was randomly assigned to test or control and instrumented with an ultrasonic scaler using either 0.02% chlorhexidine or water as the coolant. Measurements were repeated 2, 6 and 10 weeks later, together with additional plaque sampling. Ultrasonic instrumentation with either chlorhexidine or water was equally effective in reducing bleeding scores and improving probing attachment levels. 42% of chlorhexidine- and 38.7% of water-treated sites showed gains of 1 mm or more in clinical attachment. Mean reductions in probing depth were similar (0.9 mm chlorhexidine, and 0.8 mm water). At the final examination, the chlorhexidine-treated quadrants had significantly more sites with probing depths in the 1-3 mm category and less in the greater than 3 mm category than the control quadrants (P less than 0.05). Both treatments reduced the microscopic counts of motiles and spirochaetes, resulting in a subgingival microbiota consistent with periodontal health. The results indicate that chlorhexidine has a slight adjunctive effect in the reduction of pocket depth when used as a coolant during ultrasonic root planing for the treatment of chronic periodontitis.

Adult↗
PubMed1988

Airway pressures during closed system suctioning.

Closed system suctioning (CSS) is a method of removing secretions from the tracheobronchial tree of patients with mechanical ventilation without disconnecting the mechanical ventilator. The putative benefits of CSS include the maintenance of positive pressure ventilation, oxygen supply, and positive end-expiratory pressure (PEEP). However, some evidence indicates that negative airway pressure may develop during CSS if inappropriate ventilator settings are selected. The purpose of this in vitro, descriptive study was to delineate the airway pressures obtained during CSS with use of different ventilators and combinations of ventilator settings. Each ventilator was connected to a Vent Aid Training Test Lung and set at a ventilatory rate of 12/min and a tidal volume of 800 ml. For each ventilator, CSS was performed at peak inspiratory flow rates of 25, 40, 50, and 60 L/min, at sensitivities of 0.5, 1.0, 2.0, and 3.0 cm H2O, with and without PEEP of 10 cm H2O, and in modes of intermittent mandatory ventilation, assist control, and control. Airway pressure was measured at the Y-connector of the ventilator tubing. Two CSS trials were performed at each ventilator setting with the Ballard Trach Care System, a 14F in-line suction catheter, at a flow rate of 20 L/min for 10 seconds. During each suctioning trial, the peak positive and negative airway pressures were recorded. The negative airway pressure was above -10 cm H2O in most situations. In the control mode at all flow rates with or without PEEP, the Bennett MA1 and the Bourns-Bear 1 and 2 produced sustained peak negative airway pressure of less than -50 cm H2O.(ABSTRACT TRUNCATED AT 250 WORDS)

Airway Resistance↗
PubMedDate not supplied

Evaluating unplanned endotracheal extubations.

Unplanned extubation is a complication of endotracheal intubation that occurs despite close patient monitoring in the intensive care unit. The authors describe one method of analyzing unplanned extubations that critical care nurses can use to determine the quality of care provided. This method uses a data collection tool that focuses on incidence of unplanned extubation, structure, process and outcome as indicators of quality of care. This article will help you identify patient characteristics that determine if a particular patient population is at greater risk for unplanned extubations.

Critical Care↗