Highlights From AHRQ’s Patient Safety Network
AHRQ’s Patient Safety Network (PSNet) highlights journal articles, books and tools related to patient safety. Articles featured this week include:
- Quality and variability of patient directions in electronic prescriptions in the ambulatory care setting
- Qualitative content analysis of coworkers' safety reports of unprofessional behavior by physicians and advanced practice professionals
- Impact of a commercial order entry system on prescribing errors amenable to computerized decision support in the hospital setting: a prospective pre–post study
Review additional new publications in PSNet’s current issue or access recent cases and commentaries in AHRQ’s WebM&M (Morbidity and Mortality Rounds on the Web).
When Patients and Providers Speak Different Languages
- SPOTLIGHT CASE
Leah S. Karliner, MD, MAS; April 2018
Although the electronic health record noted that a woman required a Spanish interpreter to communicate with providers, no in-person interpreter was booked in advance. A non–Spanish-speaking physician attempted to use the clinic's phone interpreter services to communicate with the patient, but poor reception prevented the interpreter and patient from hearing each other. The patient called her husband, but he was unavailable. Eventually, a Spanish-speaking medical assistant was able to interpret for the visit. Fortunately, the physician was able to determine that the patient required further cardiac testing before proceeding with a planned elective surgery.
Air on the Side of Caution
Jamie M. Robertson, PhD, MPH, and Charles N. Pozner, MD; April 2018
A clinical team decided to use a radial artery approach for cardiac catheterization in a woman with morbid obesity. It took multiple attempts to access her radial artery. After catheter insertion, she experienced pain and pressure in her arm and chest. Review of the angiogram demonstrated the presence of an air embolism in the left coronary artery, introduced during the catheter insertion. Due to the difficulty of the procedure, the technician had failed to hold the syringe at the proper angle and introduced an air bubble into the patient's vessel.
Walking Patient, Missing Drain
Brian F. Olkowski, DPT; Mary Ravenel, MSN; and Michael F. Stiefel, MD, PhD; April 2018
Following elective lumbar drain placement to treat hydrocephalus and elevated intracranial pressures, a woman was admitted to the ICU for monitoring. After the patient participated in prescribed physical therapy on day 5, she complained of headaches, decreased appetite, and worsening visual problems—similar to her symptoms on admission. The nurse attributed the complaints to depression and took no action. Early in the morning, the patient was found barely arousable. The lumbar drain had dislodged, and a CT scan revealed the return of extensive hydrocephalus.
Isolated Clot, Real Error
- SPOTLIGHT CASE
Anna Parks, MD, and Margaret C. Fang, MD, MPH ; March 2018
One day after reading only the first line of a final ultrasound result (which stated that the patient had a thrombosis), an intern reported to the ICU team that the patient had a DVT. Because she had postoperative bleeding, the team elected to place an inferior vena cava (IVC) filter rather than administer anticoagulants to prevent a pulmonary embolism (PE). The next week, a new ICU team discussed the care plan and questioned the IVC filter. The senior resident reviewed the radiology records and found the ultrasound report actually stated the thrombosis was in a superficial vein with low risk for PE, which meant that the correct step in management of this patient's thrombosis should have been surveillance.
Shortcuts to Acetaminophen-induced Liver Failure
Stephen Bacak, DO, MPH, and Loralei Thornburg, MD; March 2018
A pregnant woman presented to the emergency department 3 times in 4 days, first with symptoms of upper respiratory infection, nausea, and fever; then abdominal cramps; then shortness of breath and abdominal pain. On the third visit, she was diagnosed with influenza and possible sepsis. In between visits, the patient had been taking acetaminophen (1g every 4 hours) to control her fever. Although she had signs of acute fulminant hepatitis due to acetaminophen overdose, administration of the antidote, N-acetylcysteine, was delayed for 10 hours.
Missing ECG and Missed Diagnosis Lead to Dangerous Delay
Robert E. O'Connor, MD, MPH; March 2018
Emergency medical service (EMS) providers obtained an electrocardiogram (ECG) in a woman who had developed severe chest pressure at home. The ECG revealed an ST-elevation myocardial infarction (STEMI). Unfortunately, the ECG failed to transmit to the emergency department (ED) while EMS was en route, so a "Code STEMI" was not activated. Unaware of the original ECG results, ED clinicians obtained a repeat ECG that did not demonstrate the earlier ST segment elevations, and the patient was admitted to the telemetry unit for monitoring overnight. The next morning, lab results revealed an elevated troponin level and another ECG demonstrated she had a large heart attack the previous day. Although the patient was rushed to the cardiac catheterization laboratory, the delay in treatment led to significant loss of cardiac function.
- SPOTLIGHT CASE
Amy J. Starmer, MD, MPH, and Christopher P. Landrigan, MD, MPH ; February 2018
Admitted with an intracranial mass and hemorrhage, a woman with atrial fibrillation had been stable for several days when the ICU team and neurosurgeon decided that the benefits of low-dose DVT prophylaxis would outweigh the risk of serious bleeding. However, no dose or route of administration was specified, and the overnight resident ordered full-dose (rather than the prophylactic dose) anticoagulation. The hemorrhage grew and brain compression worsened, leaving the patient with no chance for meaningful recovery.
Returning Home Safely
Mark Toles, PhD, RN; February 2018
Following a hospital stay for a broken arm and dislocated shoulder, an older man was discharged to a skilled nursing facility (SNF) for rehabilitation. Providers were concerned about his ability to live independently given results of cognitive and living skills assessments performed during the hospital stay. Although the hospital social worker had begun the process of applying for home care and meals for the patient, the SNF discharged him home with no access to care, food, or his medications.
Right Place, Right Drug, Wrong Strength
Valentina Jelincic, RPh, and Julie Greenall, RPh, MHSc; February 2018
A hospitalized pediatric burn patient underwent dressing changes and burn inspection every third day. On those days she received oxycodone for pain, which allowed her to tolerate the painful procedures and to rest. After a dressing change one day, the mother noticed the child's breathing was shallow. That day the patient had received three doses of oxycodone, but because the automated dispensing machine had been stocked incorrectly with a higher concentration of oxycodone solution stored in the location normally reserved for the lower concention, she received nearly five times the dose ordered.
A Painful Medication Reconciliation Mishap
- SPOTLIGHT CASE
Roger Chou, MD; January 2018
A woman who had been taking naltrexone to treat alcohol use disorder was discharged to a skilled nursing facility (SNF) on opioids for pain following spinal fusion surgery. Although her naltrexone was held at the hospital in anticipation of starting opioids for pain control, the clinician performing medication reconciliation at the SNF overrode the drug–drug interaction alert and restarted the naltrexone. The SNF providers did not realize that the naltrexone blocked the pain-relieving effect of the opioids.
Slow Down: Right Drug, Wrong Formulation
Mary G. Amato, PharmD, MPH, and Gordon D. Schiff, MD; January 2018
Admitted for intravenous diuretic therapy and control of his atrial fibrillation, an older man was mistakenly given metoprolol tartrate instead of his home dose of extended-release metoprolol succinate. That night, he developed atrioventricular block, experienced a pulseless electrical activity cardiac arrest, and died. Review of the case identified problems in the human factors design in the computerized order entry system that contributed to the prescribing error.
A Costly Colonoscopy Leads to a Delay in Diagnosis
Christopher Moriates, MD; January 2018
Following a positive fecal immunochemical test (a screening test for colon cancer), a colonoscopy was ordered for a 50-year-old man. Two months later, the nurse called him to see if he had obtained the colonoscopy. The patient reported that he was unable to schedule it due to cost of the copayment. The primary physician called the insurance company and was informed that the colonoscopy would be covered in full if the indication was written as preventive rather than diagnostic. Ultimately, the patient received the colonoscopy and was diagnosed with colon cancer 6 months after his initial positive screening test.
Dying in the Hospital With Advanced Dementia
- SPOTLIGHT CASE
Craig A. Umscheid, MD, MSCE; John D. McGreevey, III, MD; and S. Ryan Greysen, MD, MHS, MA; December 2017
Found unconscious at home, an older woman with advanced dementia and end-stage renal disease was resuscitated in the field and taken to the emergency department, where she was registered with a temporary medical record number. Once her actual medical record was identified, her DNR/DNI status was identified. After recognizing this and having discussions with the family, she was transitioned to comfort care and died a few hours later. Two months later, the clinic called the patient's home with an appointment reminder. The primary care physician had not been contacted about the patient's hospitalization and the electronic record system had not listed the patient as deceased.
Miscommunication in the OR Leads to Anticoagulation Mishap
Ian Solsky, MD, and Alex B. Haynes, MD, MPH; December 2017
Prior to performing a bilateral femoral artery embolectomy on a man with coronary artery disease and diabetes, the team used a surgical safety checklist for a preoperative briefing. Although the surgeon told the anesthesiologist the patient would benefit from epidural analgesia continued into the perioperative period, he failed to mention the patient would be therapeutically anticoagulated for several days postoperatively. No postoperative debriefing was conducted. The anesthesiologist continued orders for epidural analgesia and the epidural catheter remained in place, putting the patient at risk of bleeding.
Varalakshmi Janamanchi, MD; Kunjam Modha, MD; and Christopher Whinney, MD; December 2017
At a preoperative evaluation for skin grafting surgery, a man's prescription medications were reviewed and updated in his medical record. During surgery, the patient experienced profuse bleeding, requiring transfusion with multiple units of blood. Postoperatively, the patient stabilized and the attending surgeon reexamined the patient's medications with him and asked about over-the-counter medications. The patient had been taking one aspirin per day, including the day of surgery. Although the patient was asked about blood-thinning medications at the preoperative visit, he was not asked about over-the-counter medications.
Palliative Care: Comfort vs. Harm
- SPOTLIGHT CASE
Ralf Jox, MD, PhD; November 2017
An older man admitted for the third time in 4 weeks for an exacerbation of congestive heart failure expressed his wishes to focus on comfort and pursue hospice care. Comfort measures were initiated and other treatments were stopped. The care team wrote for a standing dose of IV hydromorphone every 4 hours. The night shift nurse administered the scheduled dose at 3:00 AM. At 7:00 AM, the palliative care attending found the patient obtunded, with shallow respirations and a low respiratory rate.
Delayed Diagnosis of Endocrinologic Emergencies
Cristiane Gomes-Lima, MD, and Kenneth D. Burman, MD; November 2017
Two cases in which thyroid function tests were ordered appropriately but not acted upon in a timely fashion illustrate the challenges of thyroid emergencies. The patient in Case #1 had a history of hyperthyroidism and noted not taking his medications for months, yet no one addressed his abnormal thyroid function tests until hospital day 3. He had thyroid storm. In Case #2, providers neglected to follow up on the patient's abnormal thyroid function tests, even though she was taking a medication with a known risk of thyroid toxicity. She had myxedema coma.
Specimen Almost Lost
Yael K. Heher, MD, MPH; November 2017
A resident entered orders into the EHR for a biopsy specimen of a patient's rash to be sent to pathology for evaluation. The biopsy specimen was delivered to the laboratory without a copy of the orders. Because pathology and the medicine service did not share the same EHR, the laboratory could neither view the orders nor direct the biopsy to the appropriate area for analysis without a printed copy. The next day, the resident attempted to look up the results but found none.
Translating From Normal to Abnormal
- SPOTLIGHT CASE
Anne M. Turner, MD, MLIS, MPH; October 2017
A Spanish-speaking woman presented to an urgent care clinic complaining of headache and worsening dizziness, for which the treating clinician ordered an MRI. When the results came in with no concerning findings later that day, the provider used Google Translate to write a letter informing the patient of the results. The patient interpreted the letter to mean that the results were concerning. This miscommunication led to patient distress and extra visits to both urgent care and the emergency department.
High-Risk Medications, High-Risk Transfers
Nancy Staggers, PhD, RN; October 2017
Hospitalized with sepsis secondary to an infected IV line through which she was receiving treprostnil (a high-alert medication used to treat pulmonary hypertension), a woman was transferred to interventional radiology for placement of a new permanent catheter once the infection cleared. Sign-off between departments included a warning not to flush the line since it would lead to a dangerous overdose. However, while attempting to identify an infusion pump alarm, a radiology technician accidentally flushed the line, which led to a near code situation.
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