how many patients have expired after they have been diagnosed with crnry athrscl natve vssl within the same hospital visit since 2103?
select count( distinct t2.subject_id ) from ( select t1.subject_id, t1.charttime, t1.hadm_id from ( select admissions.subject_id, diagnoses_icd.charttime, admissions.hadm_id from diagnoses_icd join admissions on diagnoses_icd.hadm_id = admissions.hadm_id where diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'crnry athrscl natve vssl' ) ) as t1 group by t1.subject_id having min(t1.charttime) = t1.charttime and strftime('%y',t1.charttime) >= '2103' ) as t2 join ( select patients.subject_id, admissions.hadm_id, patients.dod from admissions join patients on patients.subject_id = admissions.subject_id where patients.dod is not null and strftime('%y',patients.dod) >= '2103' ) as t3 on t2.subject_id = t3.subject_id where t2.hadm_id = t3.hadm_id