According to the United Nations Population Fund, the number of maternal deaths in Norway is just five women per 100,000 live births, and in the US for every 100,000 live births, 14 mothers die.
Before the 2014-2016 Ebola outbreak, just 10 specialist surgeons were available in public hospitals, with about 150 doctors in total.
"Some of these hospitals have just one or two doctors for the whole district," said the study's first author Alex van Duinen, a Dutch medical doctor and PhD candidate at the Norwegian University of Science and Technology (NTNU). "Human resources are a major problem. Task sharing -- teaching community health officers to provide basic lifesaving surgeries -- can improve that."
Building acceptance in the medical community
Van Duinen's research is being conducted as part of his work with a non-profit organization called CapaCare, co-founded in 2011 by Håkon Bolkan, a surgeon at St Olavs Hospital and a postdoc at NTNU.
CapaCare offers a two-year training program for selected community health officers (CHO), with the goal of teaching them to do surgeries such as Cesarean sections, appendectomies and hernia repairs.
After the two years of training, graduates also spend a year as an intern at one of the main hospitals in Freetown, after which they are given the position as a surgical assistant community health officer (SACHO). To date, 31 participants have graduated from the program, with another 33 in training.
But CapaCare's work is not as simple as just producing qualified graduates -- Sierra Leone's medical community, health care officials and the population as a whole have to have confidence that the CapaCare graduates can perform surgeries at least as well as medical doctors.
This evidence has to be clear, and provide scientifically documented proof that the training works. So that's where van Duinen's research comes in.
Prospective study with a home visit
Other researchers have looked at the issue of task sharing for emergency obstetric care, mainly in East Africa, but most of these studies have been retrospective, which means that researchers essentially look for patterns in medical data that have already been collected.
Nevertheless, all of these studies show that task sharing can work well in places where there are just not enough doctors to go around.
On the other hand, a prospective study like that conducted by van Duinen and his colleagues is seen as much stronger support for the findings from the research.
Researchers in a prospective study decide which data to include before they collect it, which ensures data quality. The Sierra Leone C-section study also included a home visit 30 days after the birth, which allowed van Duinen and his colleagues to see how mother and child were doing in the period after discharge.
"We were able to check some of the outcome data," van Duinen said. "Home visits were one of the distinguishing factors of our study."
For example, one baby that had been recorded as a stillbirth in the hospital and one baby that had been recorded as a death were both found to be alive when the researchers did the home visits.
Three of the mothers and 28 of the babies who were alive when they left the hospital also died in the month after birth, which researchers wouldn't have discovered without this extra follow up, van Duinen said.
Not inferior to doctors When all the numbers were tallied, the researchers found 16 postoperative maternal deaths, 15 treated by a doctor and 1 treated by a graduate of the CapaCare program.
These numbers indicate that doctors may have worse outcomes. "Although our data suggest that patients treated by doctors and graduates were mostly similar, doctors may have treated more of the complicated patients," van Duinen said.
The difference in the mortality numbers is also due to the fact that there were 50 doctors in the study compared to 12 graduated clinical officers. These 50 doctors performed 831 C-sections that were included in the study, or two-thirds, compared to 443 performed by the graduates. Of these surgeries, 85 per cent were done as emergency surgeries.
However, the mortality numbers and the number of emergency surgeries are "still very high," van Duinen said, but there are also reasons for that.
"There's a huge disincentive for women in the districts to come into the hospital to give birth," he said. "That's why the outcomes are so bad."
Very often, he said, women will wait until the absolute last minute to come in for care, because it may be too costly for them to both travel and get treated at the hospital. They may also be afraid of coming to the hospital because of concern of what they might find there -- it was not that long ago, for example, that Ebola ravaged the country's health care system, during which more than 14000 people were infected and 4000 died.
When the researchers analysed the numbers, they found that cesarean sections done by the graduates were not associated with higher maternal mortality 30 days after the surgery than cesarean sections performed by doctors.
"The message is that there is a slight difference in the two groups, because the doctors may get the more complicated cases, but overall we see that there is non-inferiority," van Duinen said.
Kismet in the jungle
Just by chance, van Duinen has worked with CapaCare since the organization first started its training program in 2011. That's because he was working at the time at Masanga Hospital, in Sierra Leone's Tonkolili province, as hospital director. Masanga Hospital has been the base for CapaCare's training in Sierra Leone.
The first week he was at Masanga, van Duinen met Bolkan with the first CapaCare student who was just beginning his training.
The idea of training non-doctor medical personnel to do emergency surgeries -- task sharing -- was already something he knew about. During his medical training in the Netherlands, he was sent to Malawi for an internship, where the practice is well established.
"I saw that task sharing could actually work, and then I met Håkon, and I said, 'Yes, of course, we have to do this! It works, I have seen it!'," he said.
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