Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

David C Chang, Ph.D.

Concepts (324)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.
Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cultural Competency220222891.180 Why?
Surgical Procedures, Operative6202118761.090 Why?
Aortic Aneurysm, Abdominal6202311860.990 Why?
Blood Vessel Prosthesis Implantation5202313900.880 Why?
Hospitals, Private12021630.780 Why?
SEER Program5202115080.750 Why?
Specialties, Surgical420213910.750 Why?
Liver Transplantation6202121190.740 Why?
General Surgery4201916360.710 Why?
Professional Practice Location12020590.710 Why?
Quality Improvement7202237490.640 Why?
Pancreatectomy320188040.630 Why?
Emergency Medical Services2202119170.630 Why?
Wounds and Injuries3202124000.620 Why?
United States Department of Veterans Affairs120228750.600 Why?
Emigrants and Immigrants220215220.600 Why?
Patient Readmission6202331140.570 Why?
Healthcare Disparities4202131580.560 Why?
Hospitals, General120207490.550 Why?
Water1202213950.540 Why?
Digestive System Surgical Procedures120215760.540 Why?
Pancreatic Diseases220173500.530 Why?
Limb Salvage120184330.520 Why?
Law Enforcement120161090.500 Why?
Peripheral Vascular Diseases120185500.490 Why?
Carcinoma, Ductal, Breast2201911010.490 Why?
Biomedical Research2202133090.480 Why?
Hospitals, Teaching2202011790.470 Why?
Breast Neoplasms62023208220.470 Why?
Choice Behavior120208030.470 Why?
Medicine120229460.460 Why?
Health Services Accessibility5201951370.460 Why?
Laparotomy120154730.450 Why?
Colorectal Neoplasms3202267730.450 Why?
Endovascular Procedures4202319790.440 Why?
Carcinoma in Situ120198060.440 Why?
Medicaid3202127360.440 Why?
Hepatectomy420215500.430 Why?
Accidents, Traffic120188190.420 Why?
Delivery of Health Care2202253190.420 Why?
Health Resources120189110.410 Why?
Employment4202111320.400 Why?
Transurethral Resection of Prostate22023830.390 Why?
Data Interpretation, Statistical2201927160.390 Why?
Residence Characteristics1202120500.390 Why?
Postoperative Complications112023152950.390 Why?
Carcinoma, Hepatocellular2202122140.390 Why?
Urinary Retention220231110.390 Why?
California5201814020.390 Why?
Health Services Research1201918360.380 Why?
Humans9420237443430.380 Why?
Physicians, Women320224860.380 Why?
Liver Neoplasms3202142530.370 Why?
Health Services Needs and Demand1201814110.360 Why?
Pancreaticoduodenectomy320185030.350 Why?
United States272023698720.350 Why?
Gastrectomy320196630.340 Why?
Clinical Competence5202246870.340 Why?
Quality Indicators, Health Care2201718310.340 Why?
Breast1201819690.340 Why?
Diagnostic Tests, Routine120157830.330 Why?
Venous Thromboembolism1202116710.330 Why?
New York City220217100.320 Why?
Prostatic Hyperplasia220235230.310 Why?
Early Detection of Cancer1202230860.310 Why?
Inpatients1201925180.310 Why?
Perioperative Period220192560.300 Why?
Databases, Factual6201977290.280 Why?
Liver Cirrhosis4202118630.280 Why?
Anticoagulants1202145990.270 Why?
Bariatric Surgery320209520.270 Why?
Retrospective Studies302023774490.260 Why?
Sample Size220198450.260 Why?
Aged3620231632800.260 Why?
Middle Aged3820222133830.250 Why?
Female5420233801940.250 Why?
End Stage Liver Disease220203140.240 Why?
Health Policy1201726610.240 Why?
Quality Assurance, Health Care1201522120.240 Why?
Research Design2201959870.230 Why?
Emergencies4201911700.230 Why?
Male4920233501180.230 Why?
Hospital Mortality6201953170.220 Why?
Randomized Controlled Trials as Topic2201999590.220 Why?
Health Literacy220194140.220 Why?
Pandemics2202383880.210 Why?
Age Distribution2201829020.210 Why?
Advance Care Planning220196620.200 Why?
Injury Severity Score2202110140.200 Why?
Parental Leave12021790.190 Why?
Colectomy320226830.180 Why?
Lung Neoplasms22022131020.180 Why?
New York520218860.180 Why?
Diverticulitis120221710.180 Why?
Patient Education as Topic3201922780.170 Why?
Diagnosis-Related Groups120214550.170 Why?
Adult2620232140550.170 Why?
Practice Guidelines as Topic4202272790.170 Why?
Academic Medical Centers2202227590.170 Why?
Medical Futility120201270.170 Why?
Mass Screening1201552550.170 Why?
Lost to Follow-Up120191050.170 Why?
Insurance, Health4202024940.170 Why?
Trauma Centers220218900.160 Why?
Proxy120191440.160 Why?
Organizational Culture120225100.160 Why?
Adolescent112021857810.160 Why?
Laparoscopy3202021510.160 Why?
Centralized Hospital Services12018180.160 Why?
Thoracotomy120203630.160 Why?
Stomach Neoplasms2201813330.160 Why?
Emigration and Immigration120214040.160 Why?
Insurance120191110.160 Why?
Diabetes Mellitus, Type 222019117250.160 Why?
Donor Selection120202010.160 Why?
Brain Neoplasms1201988630.160 Why?
Hypophosphatemia12018850.160 Why?
Wounds, Penetrating120203070.160 Why?
Pelvic Pain120202740.160 Why?
Esophageal Achalasia12018910.150 Why?
Pancreatic Fistula120181460.150 Why?
Young Adult102021564300.150 Why?
Pneumothorax120213790.150 Why?
Taiwan120194960.150 Why?
Postoperative Hemorrhage120214130.150 Why?
Treatment Outcome142023631140.150 Why?
Diverticulitis, Colonic120191280.150 Why?
Renal Artery120193980.150 Why?
Health Care Reform2201712610.150 Why?
Reoperation4202042010.150 Why?
Transportation of Patients120181850.150 Why?
Circumcision, Male120181500.150 Why?
Liver Failure120192410.140 Why?
Colorectal Surgery120191280.140 Why?
Risk Factors152023722900.140 Why?
Aged, 80 and over102022577760.140 Why?
Aorta, Abdominal120196460.140 Why?
Emergency Treatment120205170.140 Why?
Biliary Tract Surgical Procedures12016470.140 Why?
Liver4202074740.130 Why?
Resuscitation120206580.130 Why?
Adrenalectomy120173410.130 Why?
Registries6202080890.130 Why?
Patient Preference220198900.130 Why?
Wounds, Gunshot120215630.130 Why?
Bile120162990.130 Why?
Vulnerable Populations220196870.130 Why?
Phosphates120187860.130 Why?
Workload120218500.130 Why?
Patients120219000.130 Why?
Triage120219760.120 Why?
Athletes1202210930.120 Why?
Length of Stay4202163090.120 Why?
Obesity, Morbid3201912130.120 Why?
Kidney Transplantation2202042510.120 Why?
Continuity of Patient Care2201910490.120 Why?
Faculty, Medical1202211810.120 Why?
Pneumonectomy1202010940.110 Why?
Operating Rooms120208170.110 Why?
Survival Rate52020127880.110 Why?
Tissue Donors2202022400.110 Why?
Homicide120162870.110 Why?
Postoperative Period1201818420.110 Why?
Firearms220215980.110 Why?
Fatty Liver120197270.110 Why?
Massachusetts3202186630.110 Why?
Hospitalization32021102620.110 Why?
Logistic Models42021134080.110 Why?
Time Factors72021400750.110 Why?
Leg1201811160.110 Why?
Interprofessional Relations1201910110.110 Why?
Needs Assessment1201911470.110 Why?
Organ Transplantation1202311390.110 Why?
Specialization120177770.110 Why?
Risk Adjustment120165940.110 Why?
Hospice Care120196720.110 Why?
Lymph Node Excision1201812610.100 Why?
Incidence32021209470.100 Why?
Lymphocytes1202026170.100 Why?
Carcinoma, Intraductal, Noninfiltrating120199490.100 Why?
Osteoarthritis, Knee1202212220.100 Why?
Travel120177880.100 Why?
Leadership1202013570.100 Why?
Antibiotic Prophylaxis120166390.100 Why?
Arthroplasty, Replacement, Knee1202214580.090 Why?
Pancreatic Neoplasms3201752560.090 Why?
Morbidity1201617690.090 Why?
Patient Participation1202014570.090 Why?
Gastric Bypass120198120.090 Why?
Informed Consent120179950.090 Why?
Waiting Lists320206920.090 Why?
Adenocarcinoma2201863640.090 Why?
Violence120169090.090 Why?
Delivery of Health Care, Integrated120189410.090 Why?
Risk Assessment72020233380.090 Why?
Critical Illness2202026700.090 Why?
Hepatitis C1202015910.090 Why?
Minority Groups1201712230.090 Why?
Intraoperative Complications1201611980.080 Why?
Consensus1201829590.080 Why?
Pancreas1201616860.080 Why?
Kidney Diseases1202021490.080 Why?
Neoplasm Staging22020110310.080 Why?
Medical Records Systems, Computerized1201512050.080 Why?
Referral and Consultation1202135280.080 Why?
Mammography1201924760.080 Why?
Insurance Coverage2201719010.080 Why?
Neutrophils1202037190.080 Why?
Multivariate Analysis22018122450.070 Why?
Survivors1201722910.070 Why?
Patient-Centered Care1201714390.070 Why?
Surgical Wound Infection1201615400.070 Why?
Socioeconomic Factors2201777850.070 Why?
Critical Care1201926470.070 Why?
Patient Discharge1201933130.070 Why?
Anastomosis, Surgical220199870.070 Why?
Odds Ratio1201898490.060 Why?
Communication1201937490.060 Why?
Prevalence22019152260.060 Why?
Mortality1201628640.060 Why?
Cell Proliferation12020104810.060 Why?
Patient Acceptance of Health Care1201730220.060 Why?
Biopsy3202067560.060 Why?
Reproducibility of Results22020199050.060 Why?
Hospitals1201739520.060 Why?
Severity of Illness Index22020155400.060 Why?
Follow-Up Studies42019390500.060 Why?
Viscosupplements12022230.050 Why?
Medicare1202065660.050 Why?
Stereotyped Behavior120221360.050 Why?
Pleurodesis12021410.050 Why?
Blood Pressure1201685540.050 Why?
Injections, Intra-Articular120222780.050 Why?
Prognosis52020290630.050 Why?
Relative Value Scales12021840.050 Why?
Cohort Studies52023405610.050 Why?
Internship and Residency1202057880.040 Why?
Colon, Sigmoid120201200.040 Why?
Cross-Sectional Studies42021250430.040 Why?
Quality of Life22019128040.040 Why?
Sensitivity and Specificity12015147220.040 Why?
Albumins120225690.040 Why?
Graft Survival2202037370.040 Why?
Acute Disease2202071490.040 Why?
Algorithms12019138810.040 Why?
Hyaluronic Acid120224910.040 Why?
Longitudinal Studies32019139890.040 Why?
Efficiency120214620.040 Why?
Acetaminophen120225450.040 Why?
Predictive Value of Tests32020150760.040 Why?
Organ Preservation120203310.040 Why?
Neurotoxins120182370.040 Why?
Anti-Bacterial Agents1201671810.040 Why?
Dilatation120182910.040 Why?
Antacids12017990.040 Why?
Platelet Count120207810.040 Why?
Enzyme Replacement Therapy12017780.040 Why?
Age Factors32019183700.040 Why?
Botulinum Toxins120181910.040 Why?
Sulbactam12016260.040 Why?
Republic of Korea120185390.040 Why?
Cefoxitin12016360.040 Why?
Ampicillin120161390.030 Why?
Leukocyte Count1202015880.030 Why?
Perfusion1202013600.030 Why?
Intensive Care Units2201936790.030 Why?
Cefazolin12016960.030 Why?
Ambulatory Surgical Procedures120204540.030 Why?
Metronidazole120162170.030 Why?
Enterococcus faecalis120162510.030 Why?
Treatment Failure1202026180.030 Why?
Knowledge120161810.030 Why?
Decision Making2201938870.030 Why?
Organizational Objectives120164380.030 Why?
Hysterectomy120209270.030 Why?
Professional-Patient Relations120197370.030 Why?
Language1202314710.030 Why?
Comprehension120196100.030 Why?
Respiratory Insufficiency1202211990.030 Why?
Adrenal Cortex Hormones1202218550.030 Why?
Nutrition Surveys1201916600.030 Why?
Comorbidity22017103880.030 Why?
Anti-Inflammatory Agents, Non-Steroidal1202222820.030 Why?
Natural Language Processing1201910410.020 Why?
Congresses as Topic120167640.020 Why?
Down-Regulation1201830020.020 Why?
Streptococcus pneumoniae120167140.020 Why?
Linear Models1202159520.020 Why?
Vascular Surgical Procedures1201914750.020 Why?
Hospitals, Pediatric1201917750.020 Why?
Microbial Sensitivity Tests1201618770.020 Why?
Pneumonia1202221330.020 Why?
Home Care Services120166060.020 Why?
Regression Analysis1201964590.020 Why?
Lymphatic Metastasis1201729240.020 Why?
Recurrence1202183400.020 Why?
Educational Status1201725400.020 Why?
Pulmonary Embolism1202223760.020 Why?
Neoplasms12017216830.020 Why?
Health Care Costs1202232090.020 Why?
Drug Resistance, Bacterial1201610350.020 Why?
Perioperative Care1201610020.020 Why?
Psychometrics1201730020.020 Why?
Disease-Free Survival1201868950.020 Why?
Staphylococcus aureus1201614510.020 Why?
Sepsis1202225930.020 Why?
Kaplan-Meier Estimate1201865380.020 Why?
Patient Care Team1201925310.020 Why?
Antiviral Agents1202029870.020 Why?
Kidney Failure, Chronic1201925380.020 Why?
Internet1201930640.020 Why?
Attitude of Health Personnel1201938430.020 Why?
Parents1201834070.020 Why?
Palliative Care1201934930.020 Why?
Pilot Projects1201783240.010 Why?
Stents1201632800.010 Why?
Escherichia coli1201642170.010 Why?
Prospective Studies22019532880.010 Why?
Child22019777090.010 Why?
Emergency Service, Hospital1202076590.010 Why?
Pregnancy12021291440.010 Why?
Infant, Newborn12018256250.010 Why?
Infant12018351360.010 Why?
Child, Preschool12018410060.010 Why?
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Concepts (324)
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.