Heimlich valve orientation error leading to radiographic tension pneumothorax: analysis of an error and a call for education, device redesign and regulatory action

Pigtail Catheter Insertion Error: Root Cause Analysis and Recommendations for Patient Safety

BACKGROUND

Small-caliber chest tubes are used to treat pneumothorax and pleural fluid collections. Although commonly considered a less invasive alternative to large-caliber thoracostomy tubes, small-caliber tubes have a high complication rate. Emergency physicians must be familiar with common and dangerous procedure complications associated with these devices and have a systematic and rapid approach to identify and solve malfunctions. Structured root cause analysis can facilitate identification of problems.

METHODS

We reviewed the medical literature for complications of small-caliber chest tubes and searched the U.S. Food and Drug Administration (FDA) database for complications of a specific pigtail catheter kit. Using a structured root cause analysis (RCA), we examined two cases of retained pigtail catheter obturators resulting in catheter malfunction and unresolved pneumothorax.

RESULTS

We identified common complications of pigtail catheters from the medical literature, as well as 28 reports to FDA of complications with the kit used in the analyzed cases; ours were the only reports of the obturator error. RCA identified multiple contributing factors, including unrecognized and novel radiographic clues, human errors, communication breakdown, device design, and opportunities for improved systematic procedural approach.

DISCUSSION

We discuss factors identified in RCA and regulatory considerations relevant to emergency physicians, including FDA reporting mechanisms.

CONCLUSIONS

A structured review of complications of pigtail catheter insertion revealed opportunities for improved patient safety. We highlight a preventable error in insertion of a percutaneous catheter and describe radiographic features to enhance error detection. Improved design, systematic processes for device insertion and troubleshooting, and enhanced provider education could reduce the risk of medical device errors. An end-of-procedure time-out including instrument counts and systematic assessment of device function is a generalizable patient safety measure for bedside procedures.

Intrapleural Impedance Sensor Real-Time Tracking of Pneumothorax in a Porcine Model of Air Leak

In patients with alveolar-to-pleural air leak due to recent surgery or trauma, clinicians tend to manage chest tubes with suction therapy. Nonsuction therapy is associated with shorter chest tube duration but also a higher risk of pneumothorax. We sought to develop an intrapleural electrical impedance sensor for continuous, real-time monitoring of pneumothorax development in a porcine model of air leak as a means of promoting nonsuction therapy. Using thoracoscopy, 2 chest tubes and the pleural impedance sensor were introduced into the pleural space of 3 pigs. Continuous air leak was introduced through 1 chest tube by carbon dioxide insufflation. The second chest tube was placed to suction then transitioned to no suction at increasingly higher air leaks until pneumothorax developed. Simultaneously, real-time impedance measurements were obtained from the pleural sensor. Fluoroscopy spot images were captured to verify the presence or absence of pneumothorax. Statistical Analysis Software was used throughout. With the chest tube on suction, a fully expanded lung was identified by a distinct pleural electrical impedance respiratory waveform. With transition of the chest tube to water seal, loss of contact of the sensor with the lung resulted in an immediate measurement of infinite electrical impedance. Pneumothorax resolution by restoring suction therapy was detected in real time by a return of the normal respiratory impedance waveform. Pleural electrical impedance monitoring detected pneumothorax development and resolution in real time. This simple technology has the potential to improve the safety and quality of chest tube management.

How spontaneous pneumothorax is managed in emergency departments: a French multicentre descriptive study

Background

Management of spontaneous pneumothorax (SP) is still subject to debate. Although encouraging results of recent studies about outpatient management with chest drains fitted with a one-way valve, no data exist concerning application of this strategy in real life conditions. We assessed how SP are managed in Emergency departments (EDs), in particular the role of outpatient management, the types of interventions and the specialty of the physicians who perform these interventions.

Methods

From June 2009 to May 2013, all cases of spontaneous primary (PSP) and spontaneous secondary pneumothorax (SSP) from EDs of 14 hospitals in France were retrospectively included. First line treatment (observation, aspiration, thoracic drainage or surgery), type of management (admitted, discharged to home directly from the ED, outpatient management) and the specialty of the physicians were collected from the medical files of the ED.

Results

Among 1868 SP included, an outpatient management strategy was chosen in 179 PSP (10%) and 38 SSP (2%), mostly when no intervention was performed. Only 25 PSP (1%) were treated by aspiration and discharged to home after ED admission. Observation was the chosen strategy for 985 patients (53%). In 883 patients with an intervention (47%), it was performed by emergency physicians in 71% of cases and thoracic drainage was the most frequent choice (670 patients, 76%).

Conclusions

Our study showed the low level of implementation of outpatient management for PS in France. Despite encouraging results of studies concerning outpatient management, chest tube drainage and hospitalization remain preponderant in the treatment of SP.

Electronic supplementary material

The online version of this article (10.1186/s12873-018-0213-2) contains supplementary material, which is available to authorized users.

Factors affecting sentinel events in hospital emergency department: a qualitative study

Purpose A sentinel event is an unexpected occurrence resulting in death or serious physical or psychological injury or the risk thereof. The purpose of this paper is to investigate the influencing factors of sentinel events in the emergency department of a military hospital in Tehran to find out some of the effective solutions. Design/methodology/approach In this qualitative study with content analysis approach, 20 hospital healthcare personnel participated as participants from the fields of medicine and nursing. Purposive random sampling and semi-structured interviews were used for data collection. Atlas.ti software version 5.2 was used for data analysis. Findings Four themes and 32 subthemes were identified by numerous revisions and combining the codes. The four main themes of sentinel events were: causes, incidence barriers, cause prevention solutions, and barriers' improvement solutions. Moreover, these main factors were related to these issues: staff and patients' education, communication, assessment, patients and their companions, employee rights, leadership, care continuum, human factors, physical environment, information management and medication use. Some solutions were also suggested according to these factors and a policy was recommended. Practical implications Hospital managers and authorities should try to find the main causes of sentinel events by periodical analysis to find ways to prevent them in the future, using logical and reasonable solutions. Originality/value This study confirms that strategies to reduce the sentinel events in emergency departments should focus on empowerment of all staff.

Thoracic Trauma: Which Chest Tube When and Where?

Clinical suspicion of hemo/pneumothorax: when in doubt, drain the chest. Stable chest trauma with hemo/pneumothorax: drain and wait. Unstable patient with dislocated trachea must be approached with drain in hand and scalpel ready. Massive hemo/pneumothorax may be controlled by drainage alone. The surgeon should not hesitate to open the chest if too much blood drains over a short period. The chest drainage procedure does not end with the last stitch; the second half of the match is still ahead. The drained patient is in need of physiotherapy and proper pain relief with an extended pleural space: control the suction system.

Patient safety in genomic medicine: an exploratory study

PURPOSE

Concerns about patient safety and the potential for medical error are largely unexplored for genetic testing, despite the expansion of test use. In this preliminary qualitative study, we sought the views of genetics professionals about error and patient safety concerns in genomic medicine and factors that might mitigate them.

METHODS

Twelve semistructured interviews with experienced genetics professionals were conducted. Transcripts were analyzed using selective coding for issues related to error definition, mitigation, and communication. Additional thematic analysis captured themes across content categories.

RESULTS

Key informants suggested that the potential for adverse events exists in all phases of genetic testing, from ordering to analysis, interpretation, and follow-up. A perceived contributor was lack of physician knowledge about genetics, resulting in errors in test ordering and interpretation. The limitations and uncertainty inherent to rapidly evolving technology were also seen as contributing factors. Strategies to prevent errors included physician education, availability of genetic experts for consultation, and enhanced communication such as improved test reports and electronic decision support.

CONCLUSION

Genetic testing poses concerns for patient safety due to errors and the limitations of current tests. As genomic tests are integrated into medical care, anticipating and addressing patient safety concerns identified by these key informants will be crucial.Genet Med 18 11, 1136-1142.