Story highlights Nearly one-quarter of Americans 65 and older could become "elder orphans" with no family to help care for them

Approximately one-third of Americans 45 to 63 years of age are single

There are not enough nursing homes and facilities to care for the growing number of seniors who are on their own

(CNN) Recently a 76-year-old man known as HB, whose health had been deteriorating, tried to take his own life and was admitted to North Shore University Hospital on Long Island.

Doctors decided that HB would not be able to go back to living by himself because of his condition and complications while in the hospital. With his only family across the country and no social support in the area, the man was placed, possibly permanently, in a nursing home.

The experience of HB is not unusual. His story is a case study of the problem of "elder orphans." These seniors are single or widowed; they have no children, at least in the area, and no support system. And they find themselves alone with no one to help care for them when they need it.

Although the problem of elder orphans has been known for a while, new research suggests just how bad it is. About 22% of Americans 65 years and older are in danger of becoming, or already are, in this situation. As of 2012, there were 43 million people over 65 in the U.S., up from 35 million in 2002.

Dr. Maria Torroella Carney, who is chief of geriatric and palliative medicine at North Shore-LIJ Health System, treated HB. She estimates that nearly a quarter of all elderly Americans could be orphans based on articles that have been published in medical and nursing journals looking at the prevalence of childless or friendless elders at the local level. She presented the findings at the American Geriatrics Society's annual meeting May 15-17.

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