By Alicia Ault
Two hospitals in California in recent months have been cited by state inspectors for allowing certified registered nurse anesthetists (CRNAs) to practice beyond their scope, leading to one hospital temporarily stopping use of CRNAs in surgeries.
In one case, a CRNA changed a physician's order from general anesthesia to spinal anesthesia for a patient who later became unresponsive and had to be transferred to another hospital.
The unusual situation highlights the ongoing, often contentious debate about the proper role of CRNAs in surgery amid widely varying state scope of practice laws.
Elizabeth Bamgbose, CRNA, past president of the California Association of Nurse Anesthetists (CANA), said that the absence of CRNAs at Doctors Medical Center (DMC) in Modesto, California, had led to the cancellation of hundreds of procedures. It was an unnecessary step, she said.
"It's unfortunate that a single surveyor has taken it upon themselves to reinterpret state regulations and redefine a practice that was efficient and safe," said Bamgbose, a member of the CANA practice committee.
In late May, the California Department of Public Health (CDPH) issued an "immediate jeopardy" warning about DMC of Modesto. The state agency, like its counterparts in other states, acts on behalf of the Centers for Medicare and Medicaid Services (CMS) in surveying health care facilities. CMS defines immediate jeopardy as "a situation in which entity noncompliance has placed the health and safety of recipients in its care at risk for serious injury, serious harm, serious impairment, or death."
The administrative warning comes with fines and requires the facility to submit an action plan to remediate the situation. The state determines through a follow-up survey whether the plan is sufficient for the facility to avoid being dropped from participation in Medicare and Medicaid.
Before the immediate jeopardy action was taken against DMC, the state had issued three previous such warnings in 2024, according to the CDPH enforcement actions dashboard.
CRNA Claims to Be in Charge
Stanislaus Surgical Hospital in Modesto, California, was the first facility to attract CDPH attention. It reportedly was cited in August 2023 and January 2024 surveys for a number of violations of the CMS conditions of participation, including allowing nurse anesthetists to practice beyond their scope.
CDPH issued an "immediate jeopardy" order for Stanislaus in January.
The paper reported that state regulators took issue with a CRNA claiming to be the lead manager of the hospital's anesthesia group, referring to herself as the "chief CRNA."
Jennifer Banek, MSN, CRNA, a member of the American Association of Nurse Anesthesiology board, declined comment on the Stanislaus hospital but said that "it would not be unusual for a nurse anesthetist to serve as a leader, especially (for a) rural or underserved population."
In April, CMS informed Stanislaus it was being terminated from Medicare, but several Congressional representatives from the Modesto area asked CMS to reconsider. The agency eventually reversed the sanction.
CDPH subsequently cited DMC for CRNA scope of practice issues. A department spokesman said that CDPH teams went to DMC "to investigate practices that may not be compliant with state and federal requirements." The agency declined to comment further until its investigations were complete.
CDPH is monitoring DMC to ensure the hospital complies with state requirements and will return for an unannounced follow-up survey "so it can provide safe, high-quality care to patients that need it," the spokesperson said.
Although DMC would not confirm it on the record, the immediate jeopardy order led to the removal of all CRNAs, according to Banek and Bamgbose.
The hospital said in a statement that it is working with CDPH to address its concerns and will await a follow-up survey. "Our hospital will continue to fully participate in the Medicare and Medicaid programs during this process."
Scope of Practice Confusion?
Federal and state laws and hospital bylaws all prescribe what falls within the scope of practice for a CRNA, but uncertainty remains.
Twenty-five states — including California — have legally opted out of the federal CMS requirement that a physician supervise CRNAs.
But that does not supersede state laws or hospital bylaws governing practice, said American Society of Anesthesiologists (ASA) president Ronald Harter, MD.
Five states — Alaska, Delaware, Montana, New Hampshire, and Oregon — have laws where nurse anesthetists are allowed to practice without physician oversight or involvement, said Harter, professor of anesthesiology at The Ohio State University Wexner Medical Center in Columbus, Ohio.
"There's a lot of various opinions on what exactly constitutes scope of practice of a nurse anesthetist," Harter said. "The vast majority of them work under the direction of an anesthesiologist, and in those settings, it's typically very clear to everybody who performs what tasks within the care team," he said.
It's less common for nurse anesthetists to work totally independent of physician oversight, he said.
Bamgbose, however, said there is no California statute requiring physician supervision of CRNAs.
The ASA maintains that CRNAs should always be under the supervision of a physician, which can be an anesthesiologist, obstetrician, gastroenterologist, surgeon, or other physician conducting a procedure. An anesthesiologist does not necessarily have to be physically on site, but in those circumstances, the physician conducting the procedure would be, said Harter.
Nurse anesthetists are "excellent advanced practice nurses," Harter said. "But they haven't been to medical school; they haven't conducted a residency in anesthesiology. (They) don't have the medical knowledge and skills that are required to manage the medical problems that patients either bring to the OR with them or that can arise during the time that they're under anesthesia."
Filling a Gap
Nurse anesthetists see things differently.
CRNAs, by virtue of their certification, can "practice to the full extent and to the full scope, which is complete service of anesthesia," said Bamgbose. "You can practice independently of anyone, any type of supervision," she said.
She acknowledges that "the bylaws of any institution will govern the scope at which any healthcare professional can practice at that institution."
Most nurse anesthetists see themselves as independent practitioners.
Seventy-five percent of CRNAs who responded to a 2023 survey said they practice independently. But even Banek said that often, the meaning of "independent" is in the eye of the beholder. "It could mean different things to various providers, especially depending on the state that they are residing in," she said.
Banek and Bamgbose said that CRNAs can help fill a gap in anesthesiology services in underserved areas.
The Bureau of Labor Statistics estimates there are currently 32,530 anesthesiologists in the United States, with California employing the largest number, at about 5300. The Association of American Medical Colleges estimated the number at 42,263 in 2022. But the federal Health Resources and Services Administration projects a shortage of 6300 anesthesiologists over the next 15 years.
Some 61,000 CRNAs are currently practicing, with 2400 graduating each year. They are required to be board-certified and are recredentialed every 4 years. By 2025, all will be required to have a doctoral degree. Most have already achieved that status, said Banek.
"Nurse anesthetists provide care predominantly to rural and underserved areas," she said, adding, "In many rural hospitals across the country and in all three branches of the military, CRNAs practice autonomously."
There are 3000 CRNAs in California, said Bamgbose. Nurse anesthetists are the only anesthesiology professionals in four of 58 California counties, she said.
Banek said she had heard that some 200 cases were cancelled in 1 week at DMC due to the lack of CRNAs. Having physician supervision, which she called redundant, "is really creating a barrier to care," she said.
"We have countless state and national studies that show the safety and efficacy of our practice," said Bamgbose. "To interrupt that care…is incredibly disruptive to the system," she said.
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