Pia Nordström

2.3k citations

27 papers · 1.3k indexed · 2 hit papers · h-index 15

Co-authors: Tero Rautio Tuomo Rantanen Juha Grönroos Paulina Salminen Hannu Paajanen Saija Hurme Markku Aarnio Juhani Sand
Topics: Appendicitis Diagnosis and Management (22 papers)Intraperitoneal and Appendiceal Malignancies (18 papers)Diverticular Disease and Complications (11 papers)
Cited by: Emergency Medicine Surgery Reproductive Medicine
Journals: JAMA PLoS ONE Annals of Surgery
Partner nations: Finland Namibia

In The Last Decade

Pia Nordström

26 papers receiving 1.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Antibiotic Therapy vs Appendectomy for Treatment of Uncomplicated Acute Appendicitis

2015 483 citations Paulina Salminen, Hannu Paajanen et al. JAMA profile →
Five-Year Follow-up of Antibiotic Therapy for Uncomplicated Acute Appendicitis in the APPAC Randomized Clinical Trial

2018 271 citations Paulina Salminen, Risto Tuominen et al. JAMA profile →

Peers

Countries citing papers authored by Pia Nordström

Since Specialization

Citations

This map shows the geographic impact of Pia Nordström's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Pia Nordström with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Pia Nordström more than expected).

Fields of papers citing papers by Pia Nordström

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Pia Nordström. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Pia Nordström. The network helps show where Pia Nordström may publish in the future.

Co-authorship network of co-authors of Pia Nordström

This figure shows the co-authorship network connecting the top 25 collaborators of Pia Nordström. A scholar is included among the top collaborators of Pia Nordström based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Pia Nordström. Pia Nordström is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Prognostic factors associated with primary non-responsiveness to antibiotics and appendicitis recurrence for CT-diagnosed uncomplicated acute appendicitis: secondary analysis of two randomized clinical trials 2025 ·British journal of surgery ·(unknown),Saija Hurme,Suvi Sippola,Tero Rautio,Pia Nordström,Tuomo Rantanen,Tarja Pinta,Imre Ilves,Anne Mattila,(unknown),Jukka Rintala,Hannu Paajanen,Juha Grönroos,Jussi Haijanen,Paulina Salminen	1
2	Prognostic CT-imaging findings for complicated acute appendicitis: A prospective cohort study 2025 ·Scandinavian Journal of Surgery ·(unknown),(unknown),(unknown),Saija Hurme,Tero Rautio,Pia Nordström,Taina Rantanen,Tarja Pinta,Anne Mattila,Juha Grönroos,Suvi Sippola,Jussi Haijanen,Paulina Salminen	1
3	Three-year follow-up of antibiotics versus placebo in adults with CT-confirmed uncomplicated acute appendicitis: a secondary analysis of the APPAC III randomized clinical trial 2025 ·British journal of surgery ·(unknown),Suvi Sippola,Jussi Haijanen,Saija Hurme,Pia Nordström,Tero Rautio,Ville Sallinen,Paulina Salminen	4
4	A randomized double-blind noninferiority clinical multicenter trial on oral moxifloxacin versus placebo in the outpatient treatment of uncomplicated acute appendicitis: APPAC IV study protocol 2024 ·Scandinavian Journal of Surgery ·(unknown),Jussi Haijanen,Sakari Suominen,Saija Hurme,Suvi Sippola,Taina Rantanen,Tero Rautio,Anne Mattila,Tarja Pinta,Pia Nordström,Jyrki Kössi,Imre Ilves,Paulina Salminen	4
5	The association between appendicitis severity and patient age with appendiceal neoplasm histology—a population-based study 2022 ·International Journal of Colorectal Disease ·(unknown),Elina Lietzén,Juha Grönroos,Jukka‐Pekka Mecklin,Ari Leppäniemi,Pia Nordström,Tero Rautio,Tuomo Rantanen,Juhani Sand,Hannu Paajanen,Helena Ollila,Paulina Salminen	10
6	Antibiotics versus placebo in adults with CT-confirmed uncomplicated acute appendicitis (APPAC III): randomized double-blind superiority trial 2022 ·British journal of surgery ·Paulina Salminen,Suvi Sippola,Jussi Haijanen,Pia Nordström,Tuomo Rantanen,Tero Rautio,Ville Sallinen,Eliisa Löyttyniemi,Saija Hurme,(unknown),Johanna Laukkarinen,(unknown),Sanna Meriläinen,Ari Leppäniemi,Juha O. Grönroos	31
7	Keyhole versus Sugarbaker techniques in parastomal hernia repair following ileal conduit urinary diversion: a retrospective nationwide cohort study 2021 ·BMC Surgery ·Elisa Mäkäräinen,Jaana Vironen,Markku H. Vaarala,Pia Nordström,(unknown),Jyrki Kössi,(unknown),Aristotelis Kechagias,Anne Mattila,Pasi Ohtonen,Tom Scheinin,Tero Rautio	13
8	Parastomal Hernia: A Retrospective Nationwide Cohort Study Comparing Different Techniques with Long‐Term Follow‐Up 2021 ·World Journal of Surgery ·Elisa Mäkäräinen,Jaana Vironen,(unknown),Pia Nordström,(unknown),Jyrki Kössi,Aristotelis Kechagias,(unknown),Anne Mattila,Tuomo Rantanen,Tom Scheinin,Pasi Ohtonen,Tero Rautio	33
9	Cost analysis of antibiotic therapy versus appendectomy for treatment of uncomplicated acute appendicitis: 5-year results of the APPAC randomized clinical trial 2019 ·PLoS ONE ·Jussi Haijanen,Suvi Sippola,Risto Tuominen,Juha Grönroos,Hannu Paajanen,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Saija Hurme,Paulina Salminen	28
10	Appendiceal neoplasm risk associated with complicated acute appendicitis—a population based study 2018 ·International Journal of Colorectal Disease ·Elina Lietzén,Juha Grönroos,Jukka‐Pekka Mecklin,Ari Leppäniemi,Pia Nordström,Tero Rautio,Tuomo Rantanen,Juhani Sand,Hannu Paajanen,Anne Kaljonen,Paulina Salminen	39
11	Optimising the antibiotic treatment of uncomplicated acute appendicitis: a protocol for a multicentre randomised clinical trial (APPAC II trial) 2018 ·BMC Surgery ·(unknown),Jussi Haijanen,(unknown),Juha Grönroos,Tero Rautio,Pia Nordström,Tuomo Rantanen,Markku Aarnio,Ivar Ilves,Saija Hurme,Harri Marttila,Johanna Virtanen,Anne Mattila,Hannu Paajanen,Paulina Salminen	32
12	A randomised placebo-controlled double-blind multicentre trial comparing antibiotic therapy with placebo in the treatment of uncomplicated acute appendicitis: APPAC III trial study protocol 2018 ·BMJ Open ·Suvi Sippola,Juha Grönroos,Ville Sallinen,Tero Rautio,Pia Nordström,Tuomo Rantanen,Saija Hurme,Ari Leppäniemi,Sanna Meriläinen,Johanna Laukkarinen,(unknown),Johanna Virtanen,Paulina Salminen	40
13	Five-Year Follow-up of Antibiotic Therapy for Uncomplicated Acute Appendicitis in the APPAC Randomized Clinical Trialbreakdown → 2018 ·JAMA ·Paulina Salminen,Risto Tuominen,Hannu Paajanen,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Saija Hurme,Jukka‐Pekka Mecklin,Juhani Sand,Johanna Virtanen,Airi Jartti,Juha Grönroos	271
14	Is preoperative distinction between complicated and uncomplicated acute appendicitis feasible without imaging? 2016 ·Surgery ·Elina Lietzén,(unknown),Juha Grönroos,Tero Rautio,Hannu Paajanen,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Juhani Sand,Jukka‐Pekka Mecklin,Airi Jartti,Johanna Virtanen,Pasi Ohtonen,Paulina Salminen	35
15	Clinical and laboratory findings in the diagnosis of right lower quadrant abdominal pain: outcome analysis of the APPAC trial 2016 ·Clinical Chemistry and Laboratory Medicine (CCLM) ·Elina Lietzén,Imre Ilves,Paulina Salminen,Hannu Paajanen,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Tommi Kauko,Airi Jartti,Juhani Sand,Jukka‐Pekka Mecklin,Juha Grönroos	6
16	Antibiotic Therapy vs Appendectomy for Treatment of Uncomplicated Acute Appendicitis 2015 ·Obstetrical & Gynecological Survey ·Paulina Salminen,Hannu Paajanen,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Risto Tuominen,Saija Hurme,Johanna Virtanen,Jukka‐Pekka Mecklin,Juhani Sand,Airi Jartti,Irina Rinta‐Kiikka,Juha Grönroos	1
17	Antibiotic Therapy vs Appendectomy for Treatment of Uncomplicated Acute Appendicitisbreakdown → 2015 ·JAMA ·Paulina Salminen,Hannu Paajanen,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Risto Tuominen,Saija Hurme,Johanna Virtanen,Jukka‐Pekka Mecklin,Juhani Sand,Airi Jartti,Irina Rinta‐Kiikka,Juha Grönroos	483
18	Can Laparoscopic Cholecystectomy Prevent Recurrent Idiopathic Acute Pancreatitis? 2015 ·Annals of Surgery ·(unknown),(unknown),(unknown),Juhani Sand,Mikael Victorzon,Juha Grönroos,(unknown),(unknown),Pia Nordström,Hannu Paajanen	34
19	A prospective randomized controlled multicenter trial comparing antibiotic therapy with appendectomy in the treatment of uncomplicated acute appendicitis (APPAC trial) 2013 ·BMC Surgery ·Hannu Paajanen,Juha Grönroos,Tero Rautio,Pia Nordström,Markku Aarnio,Tuomo Rantanen,Saija Hurme,Kirsti Dean,Airi Jartti,Jukka‐Pekka Mecklin,Juhani Sand,Paulina Salminen	50
20	Laparoscopic versus open cholecystectomy in diabetic patients and postoperative outcome 2010 ·Surgical Endoscopy ·Hannu Paajanen,(unknown),Pia Nordström,Pekka Miettinen,Leo Niskanen	20

About Pia Nordström

Pia Nordström is a scholar working on Emergency Medicine, Surgery and Statistics, Probability and Uncertainty, having authored 27 papers that have together received 1.3k indexed citations. Recurring topics across this work include Appendicitis Diagnosis and Management (22 papers), Intraperitoneal and Appendiceal Malignancies (18 papers) and Diverticular Disease and Complications (11 papers). The work is most often cited by research in Emergency Medicine (1.2k citations), Surgery (1.2k citations) and Reproductive Medicine (65 citations). Pia Nordström has collaborated with scholars based in Finland and Namibia. Frequent co-authors include Tero Rautio, Tuomo Rantanen, Juha Grönroos, Paulina Salminen, Hannu Paajanen, Saija Hurme, Markku Aarnio, Juhani Sand, Jukka‐Pekka Mecklin and Airi Jartti. Their work appears in journals such as JAMA, PLoS ONE and Annals of Surgery.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact