The phrase "although he sustained" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding an event or situation, typically in a sentence discussing an injury or setback.
Example: "Although he sustained a serious injury during the game, he continued to play until the final whistle."
Alternatives: "despite sustaining" or "even though he suffered".
McClain started the first nine games, and although he sustained a hip pointer against the Chiefs, the Raiders still held Kansas City's league-leading rushing offense to 104 yards.
Cavanagh was one of the stars of last year's McKenna Cup run, although he sustained cracked ribs in the final win over Derry which ruled him out of the start of the National League campaign.
The soldiers were killed, but the civilian survived, although he sustained severe injuries.
The younger Warmbier was in a coma for around 15 months before he was returned to the United States, although it's unclear how he sustained the injuries that brought on the condition.
REBOUNDS PAUL PIERCE was not slowed Sunday by the mild ankle sprain he sustained in Game 2 and the muscle strain in his right leg sustained in Game 3, although he said he might wear a brace or sleeve on the leg.
Although he was sustained by a well-funded Super Pac, it proved not to be enough for his campaign to continue.
"The Arctic explorer who had so trusted in his fate had been cheated of his destiny," he writes, and although for the most part he sustains dramatic tension, the psychological analysis is crude and the prose clumsy.
Glasgow successfully escaped capture by a fleet of seven ships under the command of Commodore Esek Hopkins, although she sustained significant damage in the encounter.
Although they sustained heavy losses, the Soviet forces were able to push German forces back to the banks of the Alksay River by the end of the day, while failing to retake the town.
Although he did not sustain serious injuries from his encounter with the taxi, a passerby saw the accident and called an ambulance and the medics took him to the hospital.
He kept swinging at both of his rivals, although he leveled his most sustained criticism at Mr. Labastida and the PRI government.
