Hi ! The age, multiple problems and the extent of the disease in the intestines as described by you may not permit for further invasive procedures
for your mother, even though this can be better judged by the treating doctor. However, you can consult your discuss with your doctor for embolisation of the bleeding vessels which is done in some of the vascular cath labs in higher centres. The possibility of doing this can only be judged by the specialist performing this procedure.