New Delhi: A city bus went out of control in Old Delhi area on Friday when the driver suffered a cardiac arrest, knocking down seven pedestrians. Two of the pedestrians died, as did the driver, said police.
The incident occurred around 2.15 pm near Kotwali police station close to the crowded Chandni Chowk area in the walled city, a police official said.
Of the pedestrians, Keshu Prashad, 55, whose face was smashed in the incident, and Suraj, 21, who was crushed under the wheel, died on the spot. Five others — Santosh Kumar, 19, his brother Mahender Kumar, 24, Rajesh Kurma, 45, Suriender, 30, and Raj Kishore, 22 — were left injured.
Bus driver Wajid Ali, 40, a resident of east Delhi, who was rushed to Sushruta Trauma Centre was declared dead due to cardiac arrest. “We received five patients, two of them were brought dead,” SM Basna, chief medical officer of Sushruta Trauma Centre, stated.
Three other injured persons were taken to Lok Nayak Jai Prakash Hospital, where one of them, Suraj, was declared brought dead, a police official remarked.
Busting a common myth that women are bad at wheels, researchers now say that male drivers are more dangerous on the road and are also more likely to drive more dangerous types of vehicles.
Women may actually be better and safer drivers than men, they added.
The findings, published in the journal The BMJ, prompt the researchers to suggest that greater gender equity in road transport jobs, overall, might help lessen these risks.
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“We suggest policy-makers consider policies to increase gender balance in occupations that substantially involve driving, given the greater likelihood that other road users will be killed if men rather than women are driving or riding,” the researchers wrote.
For the findings, researchers at University of Westminster drew on four sets of official data for England for the period 2005-15: police injury statistics, Road Traffic Statistics, National Travel Survey data and Office for National Statistics population/gender figures.
They used the data to analyse the risks posed to other road users from bicycles, cars and taxis, vans, buses, lorries and motorbikes per billion vehicle kilometres travelled, and categorised by road type–major and minor roads in urban and rural areas–and gender.
In terms of absolute numbers, cars and taxis were associated with most (two-thirds) of fatalities to other road users.
But a comparison of fatalities per distance travelled shows that other vehicles might be even more dangerous.
According to the researchers, lorries were associated with one in six deaths to other road users: each km driven was associated with more than five times the number of such deaths than each km driven in a car. There was a similarly high death toll for buses per km driven.
Despite their small size, motorbikes also put other road users at high risk. In urban areas, most of those deaths–173 over the entire study period–were pedestrians.
Analysis of the data by gender showed that men posed a significantly higher risk to other road users for five of the six-vehicle types studied.
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For cars and vans, the risk posed by male drivers was double that posed by women per km driven, rising to four times higher for lorry drivers, and more than 10 times higher for motorbike riders.
In a linked podcast, the researchers pointed out that driving jobs tend to be male-dominated, citing the high death toll to other road users associated with lorries, 95 per cent of which are driven by men.
While lorries, in general, are dangerous vehicles, male lorry drivers pose a particularly high risk compared to female lorry drivers, she adds. (IANS)
For those who have survived a heart attack, mental stress — and not physical stress — may be a stronger predictor of a repeat heart attack or even dying from heart disease, warn researchers.
The team at Emory University investigated whether myocardial ischemia — when blood flow to the heart is reduced such that the heart muscle doesn’t get enough oxygen — induced by mental stress was associated with poor outcomes among heart attack survivors, and how this type of stress testing compares with conventional stress brought on by exercise.
Among more than 300 young and middle-aged individuals enrolled in the study, those who endured myocardial ischemia with mental stress had a two-fold higher likelihood of having another heart attack or dying from heart disease compared with those who did not have cardiac ischemia induced by mental stress.
“In our study, myocardial ischemia provoked by mental stress was a better risk indicator than what we were able to see with conventional stress testing,” said Viola Vaccarino from Emory University’s Rollins School of Public Health in Atlanta and the study’s principal investigator.
This is the only study of its kind in this relatively young adult population of heart attack survivors.
“These data point to the important effect that psychological stress can have on the heart and on the prognosis of patients with heart disease,” she added.
The investigators studied 306 adults aged 61 years or younger (50 years on average and ranging from 22-61 years), who had been in the hospital for a heart attack in the previous eight months.
Traditional stress tests, in which someone exercises on a treadmill or takes a medicine that makes the heart beat faster and harder as if the person was actually exercising, have long been used to check blood flow to the heart and gauge the risk of heart problems.
Taking into account patients’ psychological stress may help clinicians better evaluate the risk of recurrent heart attacks or death seen in some patients surviving a heart attack.
Overall, mental stress induced myocardial ischemia occurred in 16 per cent of patients and conventional ischemia in 35 per cent, suggesting that traditional ischemia due to exercise or drug-induced stress is more common.
Over a three-year follow-up, 10 per cent of patients (28 individuals) had another heart attack and two died of heart-related problems.
The incidence of heart attack or cardiovascular-related death was more than doubled in patients with mental stress induced ischemia compared with those without mental stress ischemia, occurring in 10 (20 per cent) and 20 (8 per cent) patients, respectively.
“Patients who developed ischemia with mental stress had more than two times the risk of having a repeat heart attack or dying from heart disease compared with those who did not develop ischemia during mental stress,” Vaccarino elaborated.
What this means is that the propensity to have a reduction in blood flow to the heart during acute psychological stress poses substantial future risk to these patients,
Such reduction in blood flow, when it occurs in real life, could trigger a heart attack or serious heart rhythm problems, she said.
Another interesting finding, according to Vaccarino, is that ischemia with mental stress and with conventional stress were not strongly related to each other, suggesting that they occur through different pathways.
“This points to the fact that stress provoked by emotions has a distinct mechanism of risk for heart disease and its complications compared with physical stress,” she noted. (IANS)