IBM Systems Magazine, Power Systems edition - August 2014 - 14

HD, MEDHOST Advanced
Perioperative Information
Management System (PIMS), and
the software as a service (SaaS)and cloud-based MEDHOST
YourCareCommunity, and
executive dashboard MEDHOST
Business Intelligence.
"Around two-thirds of our
offerings have a Java* interface
and the other third a green-screen
menuing system," Dowell notes.
"For example, a hospital may be
using all GUI-based apps or a mix,
where doctors might use the Java
front end but the pharmacy an
RPG-based green screen. It's up to
the customer which interface they
prefer and, to some degree, it's
driven by the application release
they're running."
In an effort to ensure its
customers (which include
approximately 1,000 facilities)
get the most from their MEDHOST
experience, the company
has a 12-member physician
advisory board that provides
upfront input on software and
ongoing support throughout the
development process. This helps
keep MEDHOST's offerings tightly
aligned with overall healthcarecommunity wants, needs
and requirements.
To further this goal, MEDHOST
offers services designed
to bolster both hosted and
managed IT environments.
Some organizations with their
own IT departments can take
advantage of MEDHOST Managed
IT Services, which includes,
among other offerings, remotesystem management and disaster
recovery services. Others can
use MEDHOST Direct to avoid
having to support their own IT
environments by contracting with
MEDHOST to support all or some
of its IT assets.
"The hardware hosting is
broken down by LPAR, so each
customer will have a separate

"We want to be
able to sleep
well at night as
patient safety is
paramount to
our mission."
- Cliff

Dowell, senior software
engineer, MEDHOST

operating environment. They log
in to our systems, but as far as
they're concerned, everything
appears local to them. This
service is mainly used by smaller
community hospitals or clinics.
Most of our larger clients have their
own Power Systems environment
and in-house IT staff. But when it
comes to custom reporting, even
they'll tap into our databases
to gather the appropriate
information," Dowell says.

Of Bytes and Men
Of course, not all MEDHOST
customers are alike. Larger
ones may require additional
application and database support
due to their size and business
model, which is often directed by
ongoing growth. In such cases,
limited character fields must to
be expanded to identify distinct
clinical facilities, geographic
locations and occasionally even
individual patients.

14 // AUGUST 2014 ibmsystemsmag.com

D
Preliminary
analysis
indicated only

200
files would be
affected by field
changes but
X-Analysis and
X-Resize spotted

1,600

When MEDHOST began
building its applications and
database structures in 1984,
this wasn't much of an issue and
three-byte fields were more than
enough for the company's client
base. In fact, one client cleverly
used the first two bytes to indicate
how many hospitals and clinics
were in specific regions, and the
third byte was taken up by the
particular regions.
As Dowell explains, "Initially,
they wanted to use the first byte
to indicate a region, but they
eventually decided to use the
hundredth position instead.
That way they would know, for
example, that there were 99
hospitals in region 7, as in 997.
As they grew, though, there
were regions that had more
than 99 facilities. To somewhat
complicate the matter, there
were also patient identifiers
that included not just a patient
number, but also what hospital
they were in. So we obviously
had to devise a way to expand
the field beyond three bytes."
This meant changes to not
just the database, but also the
overlying applications. If a database field is extended from three
bytes to four, that extension also
must be reflected in the software. If not, the application is
likely to fail.
Making changes to the
database and the corresponding
function of the software is no easy
chore, especially when handled
manually. The potential exists for
human error as each databaseconnection change must be
correctly assigned to the affected
application fields.
So rather than spend many labor
hours on a manual conversion, the
company turned to Databorough,
which has since been acquired by
Fresche Legacy, and its X-Analysis,
X-Open and X-Resize tools.
MEDHOST also reached out to


http://www.ibmsystemsmag.com

IBM Systems Magazine, Power Systems edition - August 2014

Table of Contents for the Digital Edition of IBM Systems Magazine, Power Systems edition - August 2014

Table of Contents
Editor's Desk: Killing cancer
IBM Perspective: Healthcare's grand challenge
Techbits: Shape-shifters in the sky
Partner PoV: An integration layer can beat rip-and-replace or custom code
Case Study: Fields of Dreams: MEDHOST accommodates growing healthcare providers with expanding field lengths
Cover Story: Paradigm Shift: How MD Anderson and Watson are transforming healthcare
Feature: Treating Healthcare’s Pain Points: IBM Watson pairs with Power Systems to bring new tools to medical service providers
Trends: IBM reference architecture for genomics brings power to research
R&D: The Watt-Sun program is poised to improve weather forecasting for solar energy
Solutions: Accelerator for .NET 5.0; Open Access for COBOL; Capture With Business-Items; Nitro AutoCode; Formtastic 5.4.5; Advanced Job Scheduler 12; Profound UI 5.0
Snapshot: Amy Hoerle
Reference Point - Global Events, Education, Resources for Power Systems
2014 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems edition - August 2014 - Intro
IBM Systems Magazine, Power Systems edition - August 2014 - Cover1
IBM Systems Magazine, Power Systems edition - August 2014 - Cover2
IBM Systems Magazine, Power Systems edition - August 2014 - 1
IBM Systems Magazine, Power Systems edition - August 2014 - Table of Contents
IBM Systems Magazine, Power Systems edition - August 2014 - 3
IBM Systems Magazine, Power Systems edition - August 2014 - 4
IBM Systems Magazine, Power Systems edition - August 2014 - Editor's Desk: Killing cancer
IBM Systems Magazine, Power Systems edition - August 2014 - IBM Perspective: Healthcare's grand challenge
IBM Systems Magazine, Power Systems edition - August 2014 - Techbits: Shape-shifters in the sky
IBM Systems Magazine, Power Systems edition - August 2014 - Partner PoV: An integration layer can beat rip-and-replace or custom code
IBM Systems Magazine, Power Systems edition - August 2014 - 9
IBM Systems Magazine, Power Systems edition - August 2014 - 10
IBM Systems Magazine, Power Systems edition - August 2014 - 11
IBM Systems Magazine, Power Systems edition - August 2014 - Case Study: Fields of Dreams: MEDHOST accommodates growing healthcare providers with expanding field lengths
IBM Systems Magazine, Power Systems edition - August 2014 - 13
IBM Systems Magazine, Power Systems edition - August 2014 - 14
IBM Systems Magazine, Power Systems edition - August 2014 - 15
IBM Systems Magazine, Power Systems edition - August 2014 - 16
IBM Systems Magazine, Power Systems edition - August 2014 - 17
IBM Systems Magazine, Power Systems edition - August 2014 - Cover Story: Paradigm Shift: How MD Anderson and Watson are transforming healthcare
IBM Systems Magazine, Power Systems edition - August 2014 - 19
IBM Systems Magazine, Power Systems edition - August 2014 - 20
IBM Systems Magazine, Power Systems edition - August 2014 - 21
IBM Systems Magazine, Power Systems edition - August 2014 - 22
IBM Systems Magazine, Power Systems edition - August 2014 - 23
IBM Systems Magazine, Power Systems edition - August 2014 - Feature: Treating Healthcare’s Pain Points: IBM Watson pairs with Power Systems to bring new tools to medical service providers
IBM Systems Magazine, Power Systems edition - August 2014 - 25
IBM Systems Magazine, Power Systems edition - August 2014 - 26
IBM Systems Magazine, Power Systems edition - August 2014 - 27
IBM Systems Magazine, Power Systems edition - August 2014 - 28
IBM Systems Magazine, Power Systems edition - August 2014 - 29
IBM Systems Magazine, Power Systems edition - August 2014 - Trends: IBM reference architecture for genomics brings power to research
IBM Systems Magazine, Power Systems edition - August 2014 - 31
IBM Systems Magazine, Power Systems edition - August 2014 - 32
IBM Systems Magazine, Power Systems edition - August 2014 - 33
IBM Systems Magazine, Power Systems edition - August 2014 - R&D: The Watt-Sun program is poised to improve weather forecasting for solar energy
IBM Systems Magazine, Power Systems edition - August 2014 - 35
IBM Systems Magazine, Power Systems edition - August 2014 - 36
IBM Systems Magazine, Power Systems edition - August 2014 - Solutions: Accelerator for .NET 5.0; Open Access for COBOL; Capture With Business-Items; Nitro AutoCode; Formtastic 5.4.5; Advanced Job Scheduler 12; Profound UI 5.0
IBM Systems Magazine, Power Systems edition - August 2014 - 38
IBM Systems Magazine, Power Systems edition - August 2014 - 39
IBM Systems Magazine, Power Systems edition - August 2014 - Snapshot: Amy Hoerle
IBM Systems Magazine, Power Systems edition - August 2014 - Cover3
IBM Systems Magazine, Power Systems edition - August 2014 - Cover4
IBM Systems Magazine, Power Systems edition - August 2014 - Reference Point - Global Events, Education, Resources for Power Systems
IBM Systems Magazine, Power Systems edition - August 2014 - 2014 Power Systems Solution Edition Product Index
IBM Systems Magazine, Power Systems edition - August 2014 - SE2
IBM Systems Magazine, Power Systems edition - August 2014 - SE3
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